From dd286e7d8a6b9313a199a6010a3131c07c344e87 Mon Sep 17 00:00:00 2001
From: Pratik Mali <pratikmali242005@gmail.com>
Date: Mon, 13 May 2024 14:19:47 +0530
Subject: [PATCH] added solutions to quiz

---
 Pages/Quizes/tests/button-1/solution.js    |  33 ++-
 Pages/Quizes/tests/button-1/solutions.html |  13 +-
 Pages/Quizes/tests/button-2/solution.html  |  13 +-
 Pages/Quizes/tests/button-2/solution.js    | 234 ++++++++++----------
 Pages/Quizes/tests/button-3/solution.html  |  12 +-
 Pages/Quizes/tests/button-3/solution.js    | 233 ++++++++++----------
 Pages/Quizes/tests/button-4/solution.html  |  12 +-
 Pages/Quizes/tests/button-4/solution.js    | 234 ++++++++++----------
 Pages/Quizes/tests/button-5/solution.html  |  13 +-
 Pages/Quizes/tests/button-5/solution.js    | 235 ++++++++++----------
 Pages/Quizes/tests/button-6/solution.html  |  12 +-
 Pages/Quizes/tests/button-6/solution.js    | 235 ++++++++++----------
 Pages/Quizes/tests/button-7/solution.html  |  12 +-
 Pages/Quizes/tests/button-7/solution.js    | 240 +++++++++++----------
 Pages/Quizes/tests/button-8/solution.html  |  12 +-
 Pages/Quizes/tests/button-8/solution.js    | 234 ++++++++++----------
 Pages/Quizes/tests/button-9/script.js      |   4 +-
 Pages/Quizes/tests/button-9/solution.html  | 139 ++++++++++++
 Pages/Quizes/tests/button-9/solution.js    | 172 +++++++++++++++
 19 files changed, 1279 insertions(+), 813 deletions(-)
 create mode 100644 Pages/Quizes/tests/button-9/solution.html
 create mode 100644 Pages/Quizes/tests/button-9/solution.js

diff --git a/Pages/Quizes/tests/button-1/solution.js b/Pages/Quizes/tests/button-1/solution.js
index 033ee64f9..63fb9867f 100644
--- a/Pages/Quizes/tests/button-1/solution.js
+++ b/Pages/Quizes/tests/button-1/solution.js
@@ -7,6 +7,7 @@ const quizData = [
     c: "F < O < Cl",
     d: "Cl < O < F",
     correct: "b",
+    explanation: "Electron affinity is the energy released when an electron is added to a neutral atom to form a negative ion. Among oxygen (O), fluorine (F), and chlorine (Cl), fluorine has the highest electron affinity due to its smaller atomic size and higher effective nuclear charge. Thus, the correct order is O < F < Cl.",
     topic: "Electron Affinity",
     difficulty: "Easy",
   },
@@ -18,10 +19,10 @@ const quizData = [
     c: "Pyrophosphate",
     d: "Phosphite",
     correct: "a",
+    explanation: "The formation of a yellow precipitate upon the addition of aqueous silver nitrate indicates the presence of chloride ions. Orthophosphate ions (PO₄³⁻) do not react with silver nitrate, whereas chloride ions (Cl⁻) do, forming a yellow precipitate of silver chloride (AgCl).",
     topic: "Group 11",
     difficulty: "Hard",
   },
-
   {
     question: "How many S-S bonds are there in tetrathionate ion ?",
     a: "2",
@@ -29,6 +30,7 @@ const quizData = [
     c: "4",
     d: "5",
     correct: "c",
+    explanation: "The tetrathionate ion (S₄O₆²⁻) consists of four sulfur atoms bonded to each other with three S-S bonds and two S=O bonds. Therefore, the number of S-S bonds in the tetrathionate ion is 3.",
     topic: "Molecular Structure",
     difficulty: "Hard",
   },
@@ -39,6 +41,7 @@ const quizData = [
     c: "Oxygen",
     d: "Hydrogen",
     correct: "c",
+    explanation: "When ozone (O₃) reacts with hydrogen sulfide (H₂S), oxygen gas (O₂) is released. The reaction can be represented as follows: O₃ + H₂S -> O₂ + H₂O.",
     topic: "Group 1",
     difficulty: "Medium",
   },
@@ -49,6 +52,7 @@ const quizData = [
     c: "Si",
     d: "Sn",
     correct: "c",
+    explanation: "Boron shows a diagonal relationship with silicon (Si). Diagonal relationships occur between elements in different periods that have similar properties, despite being in different groups. Boron and silicon have similar properties due to their comparable sizes and similar electronegativities.",
     topic: "Diagonal Relationship",
     difficulty: "Easy",
   },
@@ -59,6 +63,7 @@ const quizData = [
     c: "sulphur",
     d: "zinc",
     correct: "b",
+    explanation: "Catenation is the ability of an element to form bonds with itself to form chains or rings. Carbon (C) exhibits the maximum catenation property among the given options. This is due to its ability to form strong covalent bonds with other carbon atoms, leading to the formation of long chains and complex structures.",
     topic: "Catenation",
     difficulty: "Easy",
   },
@@ -69,6 +74,7 @@ const quizData = [
     c: "Si",
     d: "Sn",
     correct: "c",
+    explanation: "Boron shows a diagonal relationship with silicon (Si). Diagonal relationships occur between elements in different periods that have similar properties, despite being in different groups. Boron and silicon have similar properties due to their comparable sizes and similar electronegativities.",
     topic: "Chemical Composition",
     difficulty: "Medium",
   },
@@ -79,6 +85,7 @@ const quizData = [
     c: "3",
     d: "4",
     correct: "c",
+    explanation: "Cyclic metaphosphoric acid (HPO₃)ₙ does not have any P-O-P bonds because it consists of cyclic phosphate units linked by P-O-H bonds. Therefore, the correct answer is 0.",
     topic: "Chemical Bonding",
     difficulty: "Medium",
   },
@@ -90,6 +97,7 @@ const quizData = [
     c: "Nitrogen dioxide",
     d: "Dinitrogen tetroxide",
     correct: "b",
+    explanation: "On heating ammonium nitrate (NH₄NO₃) at 250°C, nitrous oxide (N₂O) is released. The decomposition of ammonium nitrate at this temperature yields nitrous oxide, water, and dinitrogen monoxide.",
     topic: "Nitrogen Oxides",
     difficulty: "Easy",
   },
@@ -100,11 +108,13 @@ const quizData = [
     c: "sp3d3",
     d: "sp3",
     correct: "b",
+    explanation: "The hybridization of sulfur in sulfur hexafluoride (SF₆) is sp³d². In SF₆, sulfur forms six σ bonds with the fluorine atoms, and its electron configuration involves one 3s, three 3p, and two 3d orbitals.",
     topic: "Hybridization",
     difficulty: "Hard",
   },
 ];
 
+
 const quiz = document.getElementById("quiz");
 const answerElements = document.querySelectorAll(".answer");
 const questionElement = document.getElementById("question");
@@ -123,15 +133,20 @@ const deselectAnswers = () => {
   answerElements.forEach((answer) => (answer.checked=false));
 };
 
+const explanationElement = document.getElementById("explanation");
+
 const loadQuiz = () => {
-  deselectAnswers();
-  const currentQuizData = quizData[currentQuiz];
-  questionElement.innerText = currentQuizData.question;
-  a_text.innerText = currentQuizData.a;
-  b_text.innerText = currentQuizData.b;
-  c_text.innerText = currentQuizData.c;
-  d_text.innerText = currentQuizData.d;
-  difficulty.innerText = currentQuizData.difficulty;
+    deselectAnswers();
+    const currentQuizData = quizData[currentQuiz];
+    questionElement.innerText = currentQuizData.question;
+    a_text.innerText = currentQuizData.a;
+    b_text.innerText = currentQuizData.b;
+    c_text.innerText = currentQuizData.c;
+    d_text.innerText = currentQuizData.d;
+    difficulty.innerText = currentQuizData.difficulty;
+
+    // Update explanation text
+    explanationElement.innerText = currentQuizData.explanation;
 };
 
 loadQuiz();
diff --git a/Pages/Quizes/tests/button-1/solutions.html b/Pages/Quizes/tests/button-1/solutions.html
index af3efcd10..b63444737 100644
--- a/Pages/Quizes/tests/button-1/solutions.html
+++ b/Pages/Quizes/tests/button-1/solutions.html
@@ -54,19 +54,19 @@ <h2 id="question">Question is loading...</h2>
       
               <ul class="quiz-ul">
               <li>
-              <input type="radio" name="answer" id="a" class="answer" />
+              <input type="radio" name="answer" id="a" class="answer"  disabled/>
               <label for="a" id="a_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="b" class="answer" />
+                  <input type="radio" name="answer" id="b" class="answer"  disabled/>
                   <label for="b" id="b_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="c" class="answer" />
+                  <input type="radio" name="answer" id="c" class="answer"  disabled/>
                   <label for="c" id="c_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="d" class="answer" />
+                  <input type="radio" name="answer" id="d" class="answer" disabled />
                   <label for="d" id="d_text">Answer...</label>
               </li>
               <div class="">
@@ -75,7 +75,12 @@ <h3>
                   Correct Answer
             </h3>
             <h4 id="answer">Answer</h4>
+            <div class="explanation">
+                <h3>Explanation</h3>
+                <p id="explanation">Explanation goes here...</p>
+            </div>
         </div>
+
              <button id="next">Next Question</button>
               </div>
           </div>
diff --git a/Pages/Quizes/tests/button-2/solution.html b/Pages/Quizes/tests/button-2/solution.html
index e65802125..c9a94dd31 100644
--- a/Pages/Quizes/tests/button-2/solution.html
+++ b/Pages/Quizes/tests/button-2/solution.html
@@ -54,27 +54,30 @@ <h2 id="question">Question is loading...</h2>
       
               <ul class="quiz-ul">
               <li>
-              <input type="radio" name="answer" id="a" class="answer" />
+              <input type="radio" name="answer" id="a" class="answer" disabled/>
               <label for="a" id="a_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="b" class="answer" />
+                  <input type="radio" name="answer" id="b" class="answer" disabled/>
                   <label for="b" id="b_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="c" class="answer" />
+                  <input type="radio" name="answer" id="c" class="answer" disabled/>
                   <label for="c" id="c_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="d" class="answer" />
+                  <input type="radio" name="answer" id="d" class="answer" disabled/>
                   <label for="d" id="d_text">Answer...</label>
               </li>
               <div class="">
                 <h3>
-
                   Correct Answer
             </h3>
             <h4 id="answer">Answer</h4>
+        </div>
+        <div class="explanation">
+            <h3>Explanation</h3>
+            <p id="explanation">Explanation goes here...</p>
         </div>
              <button id="next">Next Question</button>
               </div>
diff --git a/Pages/Quizes/tests/button-2/solution.js b/Pages/Quizes/tests/button-2/solution.js
index 147319483..cf34bc3bf 100644
--- a/Pages/Quizes/tests/button-2/solution.js
+++ b/Pages/Quizes/tests/button-2/solution.js
@@ -1,105 +1,116 @@
 const quizData = [
-    {
-      question: "Displacement is a",
-      a: "Scalar quantity",
-      b: "Vector quantity",
-      c: "Base quantity",
-      d: "Derived quantity",
-      correct: "b",
-      topic: "Displacement",
-      difficulty: "Easy",
-    },
-    {
-      question: "Adding of two vectors to get a single vector is termed as",
-      a: "Final vector",
-      b: "Resultant vector",
-      c: "Dominant vector",
-      d: "Recessive vector",
-      correct: "b",
-      topic: "Addition of vectors",
-      difficulty: "Hard",
-    },
-    {
-      question: "MCQ: In scalar, there is only addition and subtraction of",
-      a: "Number",
-      b: "Number according to direction",
-      c: "Number according to unit",
-      d: "B and C both",
-      correct: "a",
-      topic: "Addition of scalars",
-      difficulty: "Hard",
-    },
-    {
-      question: "Volume is a",
-      a: "Scalar quantity",
-      b: "Vector quantity",
-      c: "Base quantity",
-      d: "Derived quantity",
-      correct: "a",
-      topic: "Volume",
-      difficulty: "Medium",
-    },
-    {
-        question: "If two forces of 20 N towards north and 12 N towards south are acting on an object. The resultant force will be",
-        a: "32 N toward north",
-        b: "20 N towards north",
-        c: "32 N towards south",
-        d: "8 N towards north",
-        correct: "d",
-        topic: "Resultant Vector",
-        difficulty: "Easy",
-      },
-      {
-        question: "What is the minimum number of unequal forces whose resultant will be zero ?",
-        a: "1",
-        b: "2",
-        c: "3",
-        d: "4",
-        correct: "c",
-        topic: "Unequal Vector",
-        difficulty: "Easy",
-      },
-      {
-        question: "A body travelling in a circular path at uniform speed has :",
-        a: "Constant velocity",
-        b: "Tangential acceleration",
-        c: "Inward acceleration",
-        d: "Outward acceleration",
-        correct: "c",
-        topic: "Inward acceleration",
-        difficulty: "Medium",
-      },
-      {
-        question: "When a disc containing mercury and water is rotated rapidly about a vertical axis, then the outermost place in the disc will be taken by:",
-        a: "Water",
-        b: "Mercury",
-        c: "Sometimes water and sometimes mercury",
-        d: "None of these",
-        correct: "b",
-        topic: "Density",
-        difficulty: "Medium",
-      },
-      {
-        question: "Two bullets are fired simultaneously horizontally and with different speeds from the same place. Which bullet will hit the ground first ?",
-        a: "The slower one",
-        b: "The faster one",
-        c: "Both will reach simultaneously",
-        d: "Both will reach simultaneously",
-        correct: "c",
-        topic: "Conservation of energy",
-        difficulty: "Easy",
-      },
-      {
-        question: "A particle is acted upon by a force of constant magnitude, which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that:",
-        a: "Its velocity is constant",
-        b: "Its acceleration is constant",
-        c: "Its kinetic energy is constant",
-        d: "It moves in a circular path",
-        correct: "c",
-        topic: "Circular Motion",
-        difficulty: "Hard",
-      },
-  ];
+  {
+    question: "Displacement is a",
+    a: "Scalar quantity",
+    b: "Vector quantity",
+    c: "Base quantity",
+    d: "Derived quantity",
+    correct: "b",
+    explanation: "Displacement is a vector quantity as it has both magnitude and direction. It describes the change in position of an object from its initial point to its final point.",
+    topic: "Displacement",
+    difficulty: "Easy",
+  },
+  {
+    question: "Adding of two vectors to get a single vector is termed as",
+    a: "Final vector",
+    b: "Resultant vector",
+    c: "Dominant vector",
+    d: "Recessive vector",
+    correct: "b",
+    explanation: "Adding two vectors to obtain a single vector is called finding the resultant vector. The resultant vector represents the combined effect of the individual vectors.",
+    topic: "Addition of vectors",
+    difficulty: "Hard",
+  },
+  {
+    question: "MCQ: In scalar, there is only addition and subtraction of",
+    a: "Number",
+    b: "Number according to direction",
+    c: "Number according to unit",
+    d: "B and C both",
+    correct: "a",
+    explanation: "In scalar quantities, only numerical values are considered without any direction. Scalar addition and subtraction involve simple arithmetic operations on numbers.",
+    topic: "Addition of scalars",
+    difficulty: "Hard",
+  },
+  {
+    question: "Volume is a",
+    a: "Scalar quantity",
+    b: "Vector quantity",
+    c: "Base quantity",
+    d: "Derived quantity",
+    correct: "a",
+    explanation: "Volume is a scalar quantity as it only has magnitude and no direction associated with it. It represents the amount of space occupied by an object.",
+    topic: "Volume",
+    difficulty: "Medium",
+  },
+  {
+    question: "If two forces of 20 N towards north and 12 N towards south are acting on an object. The resultant force will be",
+    a: "32 N toward north",
+    b: "20 N toward north",
+    c: "32 N toward south",
+    d: "8 N toward north",
+    correct: "d",
+    explanation: "To find the resultant force, subtract the force towards south from the force towards north: (20 N north) - (12 N south) = 20 N - 12 N = 8 N north.",
+    topic: "Resultant Vector",
+    difficulty: "Easy",
+  },
+  {
+    question: "What is the minimum number of unequal forces whose resultant will be zero ?",
+    a: "1",
+    b: "2",
+    c: "3",
+    d: "4",
+    correct: "c",
+    explanation: "At least three unequal forces are required whose magnitudes and directions can cancel each other out to yield a resultant force of zero.",
+    topic: "Unequal Vector",
+    difficulty: "Easy",
+  },
+  {
+    question: "A body travelling in a circular path at uniform speed has :",
+    a: "Constant velocity",
+    b: "Tangential acceleration",
+    c: "Inward acceleration",
+    d: "Outward acceleration",
+    correct: "c",
+    explanation: "A body moving in a circular path at uniform speed experiences centripetal acceleration directed towards the center of the circle. This acceleration is responsible for keeping the body in its circular path.",
+    topic: "Inward acceleration",
+    difficulty: "Medium",
+  },
+  {
+    question: "When a disc containing mercury and water is rotated rapidly about a vertical axis, then the outermost place in the disc will be taken by:",
+    a: "Water",
+    b: "Mercury",
+    c: "Sometimes water and sometimes mercury",
+    d: "None of these",
+    correct: "b",
+    explanation: "Due to its higher density, mercury tends to move towards the outermost place in the disc when the disc is rotated rapidly. This phenomenon is known as centrifugation.",
+    topic: "Density",
+    difficulty: "Medium",
+  },
+  {
+    question: "Two bullets are fired simultaneously horizontally and with different speeds from the same place. Which bullet will hit the ground first ?",
+    a: "The slower one",
+    b: "The faster one",
+    c: "Both will reach simultaneously",
+    d: "Both will reach simultaneously",
+    correct: "c",
+    explanation: "Both bullets will hit the ground simultaneously if there is no air resistance. Horizontal motion is independent of vertical motion, so both bullets will experience the same acceleration due to gravity and fall at the same rate.",
+    topic: "Conservation of energy",
+    difficulty: "Easy",
+  },
+  {
+    question: "A particle is acted upon by a force of constant magnitude, which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that:",
+    a: "Its velocity is constant",
+    b: "Its acceleration is constant",
+    c: "Its kinetic energy is constant",
+    d: "It moves in a circular path",
+    correct: "c",
+    explanation: "When a force acts perpendicular to the velocity of a particle, the kinetic energy of the particle remains constant. This scenario is often encountered in circular motion, where the force provides the centripetal acceleration required to keep the particle moving in a circular path.",
+    topic: "Circular Motion",
+    difficulty: "Hard",
+  },
+];
+
   
   const quiz = document.getElementById("quiz");
   const answerElements = document.querySelectorAll(".answer");
@@ -127,15 +138,20 @@ const quizData = [
     return answer;
   };
   
+
+  const explanationElement = document.getElementById("explanation");
   const loadQuiz = () => {
-    deselectAnswers();
-    const currentQuizData = quizData[currentQuiz];
-    questionElement.innerText = currentQuizData.question;
-    a_text.innerText = currentQuizData.a;
-    b_text.innerText = currentQuizData.b;
-    c_text.innerText = currentQuizData.c;
-    d_text.innerText = currentQuizData.d;
-    difficulty.innerText = currentQuizData.difficulty;
+      deselectAnswers();
+      const currentQuizData = quizData[currentQuiz];
+      questionElement.innerText = currentQuizData.question;
+      a_text.innerText = currentQuizData.a;
+      b_text.innerText = currentQuizData.b;
+      c_text.innerText = currentQuizData.c;
+      d_text.innerText = currentQuizData.d;
+      difficulty.innerText = currentQuizData.difficulty;
+  
+      // Update explanation text
+      explanationElement.innerText = currentQuizData.explanation;
   };
   
   loadQuiz();
diff --git a/Pages/Quizes/tests/button-3/solution.html b/Pages/Quizes/tests/button-3/solution.html
index ddf1b9995..d61773bb1 100644
--- a/Pages/Quizes/tests/button-3/solution.html
+++ b/Pages/Quizes/tests/button-3/solution.html
@@ -54,19 +54,19 @@ <h2 id="question">Question is loading...</h2>
       
               <ul class="quiz-ul">
               <li>
-              <input type="radio" name="answer" id="a" class="answer" />
+              <input type="radio" name="answer" id="a" class="answer"  disabled/>
               <label for="a" id="a_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="b" class="answer" />
+                  <input type="radio" name="answer" id="b" class="answer" disabled />
                   <label for="b" id="b_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="c" class="answer" />
+                  <input type="radio" name="answer" id="c" class="answer"  disabled/>
                   <label for="c" id="c_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="d" class="answer" />
+                  <input type="radio" name="answer" id="d" class="answer"  disabled/>
                   <label for="d" id="d_text">Answer...</label>
               </li>
               <div class="">
@@ -75,6 +75,10 @@ <h3>
                   Correct Answer
             </h3>
             <h4 id="answer">Answer</h4>
+        </div>
+        <div class="explanation">
+            <h3>Explanation</h3>
+            <p id="explanation">Explanation goes here...</p>
         </div>
              <button id="next">Next Question</button>
               </div>
diff --git a/Pages/Quizes/tests/button-3/solution.js b/Pages/Quizes/tests/button-3/solution.js
index f1c2dd017..9ddc3d515 100644
--- a/Pages/Quizes/tests/button-3/solution.js
+++ b/Pages/Quizes/tests/button-3/solution.js
@@ -1,105 +1,115 @@
 const quizData = [
-    {
-      question: "The primary function of respiration in plants is to:",
-      a: "Produce energy",
-      b: "Release oxygen",
-      c: "Produce glucose",
-      d: "Release carbon dioxide",
-      correct: "a",
-      topic: "Energy Production",
-      difficulty: "Easy",
-    },
-    {
-      question: "Which organelle is responsible for respiration in plant cells ?",
-      a: "Mitochondria",
-      b: "Chloroplasts",
-      c: "Nucleus",
-      d: "Endoplasmic reticulum",
-      correct: "a",
-      topic: "Mitochondria",
-      difficulty: "Hard",
-    },
-    {
-      question: "The process of respiration in plants occurs in :",
-      a: "Day only",
-      b: "Night only",
-      c: "Both day and night",
-      d: "None of the above",
-      correct: "c",
-      topic: "Duration of respiration",
-      difficulty: "Hard",
-    },
-    {
-      question: "Which of the following is not a stage of respiration in plants ?",
-      a: "Glycolysis",
-      b: "Krebs cycle",
-      c: "Electron transport chain",
-      d: "Transpiration",
-      correct: "d",
-      topic: "Transpiration",
-      difficulty: "Medium",
-    },
-    {
-        question: "In which part of the plant does respiration primarily occur ?",
-        a: "Leaves",
-        b: "Stem",
-        c: "Roots",
-        d: "Flowers",
-        correct: "a",
-        topic: "Respiration Parts",
-        difficulty: "Easy",
-      },
-      {
-        question: "The final product of respiration in plants is :",
-        a: "Water",
-        b: "Glucose",
-        c: "Oxygen",
-        d: "Carbon dioxide",
-        correct: "d",
-        topic: "Product of Respiration",
-        difficulty: "Easy",
-      },
-      {
-        question: "The breakdown of glucose in respiration results in the production of:",
-        a: "Energy and carbon dioxide",
-        b: "Energy and oxygen",
-        c: "Water and carbon dioxide",
-        d: "Water and oxygen",
-        correct: "a",
-        topic: "Breakdown",
-        difficulty: "Medium",
-      },
-      {
-        question: "The process of photosynthesis in plants is the opposite of:",
-        a: "Respiration",
-        b: "Transpiration",
-        c: "Fertilization",
-        d: "Pollination",
-        correct: "a",
-        topic: "Photosynthesis",
-        difficulty: "Medium",
-      },
-      {
-        question: "Which of the following is not a type of respiration in plants ?",
-        a: "Aerobic respiration",
-        b: "Anaerobic respiration",
-        c: "Photosynthetic respiration",
-        d: "Fermentation",
-        correct: "d",
-        topic: "Type of Respiration",
-        difficulty: "Easy",
-      },
-      {
-        question: "The energy produced by respiration in plants is used for:",
-        a: "Growth and development",
-        b: "Reproduction",
-        c: "Defense against predators",
-        d: "All of the above",
-        correct: "d",
-        topic: "Energy",
-        difficulty: "Hard",
-      },
-  ];
+  {
+    question: "The primary function of respiration in plants is to:",
+    a: "Produce energy",
+    b: "Release oxygen",
+    c: "Produce glucose",
+    d: "Release carbon dioxide",
+    correct: "a",
+    explanation: "The primary function of respiration in plants is to produce energy. Through respiration, plants convert stored energy in glucose into a usable form, ATP (adenosine triphosphate), which is essential for various cellular processes.",
+    topic: "Energy Production",
+    difficulty: "Easy",
+  },
+  {
+    question: "Which organelle is responsible for respiration in plant cells ?",
+    a: "Mitochondria",
+    b: "Chloroplasts",
+    c: "Nucleus",
+    d: "Endoplasmic reticulum",
+    correct: "a",
+    explanation: "Respiration in plant cells primarily occurs in the mitochondria. Mitochondria are known as the 'powerhouses' of the cell because they generate ATP through the process of cellular respiration.",
+    topic: "Mitochondria",
+    difficulty: "Hard",
+  },
+  {
+    question: "The process of respiration in plants occurs in :",
+    a: "Day only",
+    b: "Night only",
+    c: "Both day and night",
+    d: "None of the above",
+    correct: "c",
+    explanation: "Respiration in plants occurs both during the day and night. While photosynthesis occurs primarily during the day when sunlight is available, respiration is a continuous process necessary for energy production and occurs throughout the day and night.",
+    topic: "Duration of respiration",
+    difficulty: "Hard",
+  },
+  {
+    question: "Which of the following is not a stage of respiration in plants ?",
+    a: "Glycolysis",
+    b: "Krebs cycle",
+    c: "Electron transport chain",
+    d: "Transpiration",
+    correct: "d",
+    explanation: "Transpiration is the process of water movement through a plant and is not a stage of respiration. Glycolysis, Krebs cycle, and the electron transport chain are stages of cellular respiration where glucose is broken down to produce ATP.",
+    topic: "Transpiration",
+    difficulty: "Medium",
+  },
+  {
+    question: "In which part of the plant does respiration primarily occur ?",
+    a: "Leaves",
+    b: "Stem",
+    c: "Roots",
+    d: "Flowers",
+    correct: "a",
+    explanation: "Respiration primarily occurs in the leaves of the plant. Leaves contain a large number of stomata and chloroplasts, facilitating gas exchange and cellular respiration.",
+    topic: "Respiration Parts",
+    difficulty: "Easy",
+  },
+  {
+    question: "The final product of respiration in plants is :",
+    a: "Water",
+    b: "Glucose",
+    c: "Oxygen",
+    d: "Carbon dioxide",
+    correct: "d",
+    explanation: "The final product of respiration in plants is carbon dioxide (CO₂). During cellular respiration, glucose is broken down in the presence of oxygen to produce ATP, carbon dioxide, and water.",
+    topic: "Product of Respiration",
+    difficulty: "Easy",
+  },
+  {
+    question: "The breakdown of glucose in respiration results in the production of:",
+    a: "Energy and carbon dioxide",
+    b: "Energy and oxygen",
+    c: "Water and carbon dioxide",
+    d: "Water and oxygen",
+    correct: "a",
+    explanation: "The breakdown of glucose in respiration results in the production of energy (in the form of ATP) and carbon dioxide. This process occurs through glycolysis, the Krebs cycle, and the electron transport chain.",
+    topic: "Breakdown",
+    difficulty: "Medium",
+  },
+  {
+    question: "The process of photosynthesis in plants is the opposite of:",
+    a: "Respiration",
+    b: "Transpiration",
+    c: "Fertilization",
+    d: "Pollination",
+    correct: "a",
+    explanation: "The process of photosynthesis in plants is the opposite of respiration. While photosynthesis converts carbon dioxide and water into glucose and oxygen using light energy, respiration breaks down glucose into carbon dioxide and water to release energy.",
+    topic: "Photosynthesis",
+    difficulty: "Medium",
+  },
+  {
+    question: "Which of the following is not a type of respiration in plants ?",
+    a: "Aerobic respiration",
+    b: "Anaerobic respiration",
+    c: "Photosynthetic respiration",
+    d: "Fermentation",
+    correct: "d",
+    explanation: "Fermentation is not a type of respiration in plants. Aerobic respiration and anaerobic respiration are the two main types of respiration, while photosynthetic respiration refers to the integration of photosynthesis and respiration processes in plants.",
+    topic: "Type of Respiration",
+    difficulty: "Easy",
+  },
+  {
+    question: "The energy produced by respiration in plants is used for:",
+    a: "Growth and development",
+    b: "Reproduction",
+    c: "Defense against predators",
+    d: "All of the above",
+    correct: "d",
+    explanation: "The energy produced by respiration in plants is used for various purposes, including growth and development, reproduction, and defense against predators. Energy in the form of ATP is essential for carrying out all cellular processes in plants.",
+    topic: "Energy",
+    difficulty: "Hard",
+  },
+];
   
   const quiz = document.getElementById("quiz");
   const answerElements = document.querySelectorAll(".answer");
@@ -127,15 +137,20 @@ const quizData = [
     return answer;
   };
   
+  const explanationElement = document.getElementById("explanation");
+
   const loadQuiz = () => {
-    deselectAnswers();
-    const currentQuizData = quizData[currentQuiz];
-    questionElement.innerText = currentQuizData.question;
-    a_text.innerText = currentQuizData.a;
-    b_text.innerText = currentQuizData.b;
-    c_text.innerText = currentQuizData.c;
-    d_text.innerText = currentQuizData.d;
-    difficulty.innerText = currentQuizData.difficulty;
+      deselectAnswers();
+      const currentQuizData = quizData[currentQuiz];
+      questionElement.innerText = currentQuizData.question;
+      a_text.innerText = currentQuizData.a;
+      b_text.innerText = currentQuizData.b;
+      c_text.innerText = currentQuizData.c;
+      d_text.innerText = currentQuizData.d;
+      difficulty.innerText = currentQuizData.difficulty;
+  
+      // Update explanation text
+      explanationElement.innerText = currentQuizData.explanation;
   };
   
   loadQuiz();
diff --git a/Pages/Quizes/tests/button-4/solution.html b/Pages/Quizes/tests/button-4/solution.html
index cf2b5203b..b0a06572a 100644
--- a/Pages/Quizes/tests/button-4/solution.html
+++ b/Pages/Quizes/tests/button-4/solution.html
@@ -54,19 +54,19 @@ <h2 id="question">Question is loading...</h2>
       
               <ul class="quiz-ul">
               <li>
-              <input type="radio" name="answer" id="a" class="answer" />
+              <input type="radio" name="answer" id="a" class="answer" disabled/>
               <label for="a" id="a_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="b" class="answer" />
+                  <input type="radio" name="answer" id="b" class="answer" disabled/>
                   <label for="b" id="b_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="c" class="answer" />
+                  <input type="radio" name="answer" id="c" class="answer" disabled/>
                   <label for="c" id="c_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="d" class="answer" />
+                  <input type="radio" name="answer" id="d" class="answer" disabled/>
                   <label for="d" id="d_text">Answer...</label>
               </li>
               <div class="">
@@ -75,6 +75,10 @@ <h3>
                   Correct Answer
             </h3>
             <h4 id="answer">Answer</h4>
+        </div>
+        <div class="explanation">
+            <h3>Explanation</h3>
+            <p id="explanation">Explanation goes here...</p>
         </div>
              <button id="next">Next Question</button>
               </div>
diff --git a/Pages/Quizes/tests/button-4/solution.js b/Pages/Quizes/tests/button-4/solution.js
index 93ca06ba1..4da9f6036 100644
--- a/Pages/Quizes/tests/button-4/solution.js
+++ b/Pages/Quizes/tests/button-4/solution.js
@@ -1,105 +1,116 @@
 const quizData = [
-    {
-      question: "What causes the motion of a body which is initially in the state of rest?",
-      a: "Force",
-      b: "Displacement",
-      c: "Speed",
-      d: "Velocity",
-      correct: "a",
-      topic: "First Law of Motion",
-      difficulty: "Easy",
-    },
-    {
-      question: "Passengers sitting in a stationary car experience a jerk when the car suddenly starts. This is due to _____",
-      a: "Inertia of Motion",
-      b: "Inertia of rest",
-      c: "Inertia of turning",
-      d: "Inertia of acceleration",
-      correct: "b",
-      topic: "Inertia",
-      difficulty: "Medium",
-    },
-    {
-      question: "Which of the following have always the same direction?",
-      a: "Force and acceleration",
-      b: "Force and momentum",
-      c: "Force and velocity",
-      d: "None of these",
-      correct: "a",
-      topic: "Force and Directions",
-      difficulty: "Easy",
-    },
-    {
-      question: "Two bodies moving with constant velocities collide with each other. Which of the following quantities remain conserved?",
-      a: "Momentum",
-      b: "Speed",
-      c: "Force",
-      d: "Velocity",
-      correct: "a",
-      topic: "Conservation of Momentum",
-      difficulty: "Medium",
-    },
-    {
-        question: "A truck with a mass of 2500 Kg traveling with an acceleration of 5 m/s2 hits a scooter. What force does the truck experience?",
-        a: "12500 N",
-        b: "500 N",
-        c: "10000 N",
-        d: "2500 N",
-        correct: "a",
-        topic: "Third Law of Motion",
-        difficulty: "Hard",
-      },
-      {
-        question: "Unit of force is _____",
-        a: "Pascal",
-        b: "Newton",
-        c: "Byte",
-        d: "Gram",
-        correct: "b",
-        topic: "Force",
-        difficulty: "Easy",
-      },
-      {
-        question: "Two forces are acting on a body. For the body to remain in equilibrium, the forces have to be ____",
-        a: "Equal in magnitude and opposite in direction",
-        b: "Equal in direction and opposite in magnitude",
-        c: "In the same direction",
-        d: "In perpendicular directions",
-        correct: "a",
-        topic: "Equilibrium",
-        difficulty: "Medium",
-      },
-      {
-        question: "What does Newton's second law of motion state?",
-        a: "An object at rest will remain at rest unless acted upon by an external force.",
-        b: "The net force acting on an object is equal to the product of its mass and acceleration.",
-        c: "For every action, there is an equal and opposite reaction.",
-        d: "The velocity of an object remains constant if the net force acting on it is zero.",
-        correct: "b",
-        topic: "Second Law of Motion",
-        difficulty: "Medium",
-      },
-      {
-        question: "Change in momentum of an object is equal to the_______",
-        a: "Internal Energy",
-        b: "Entropy",
-        c: "Impulse",
-        d: "Enthalpy",
-        correct: "c",
-        topic: "Impulse",
-        difficulty: "Medium",
-      },
-      {
-        question: "What is a frame of reference?",
-        a: "The speed of an object",
-        b: "The position of an object",
-        c: "The background against which motion is measured",
-        d: "The force applied to an object",
-        correct: "c",
-        topic: "Frame Of Reference",
-        difficulty: "Easy",
-      },
-  ];
+  {
+    question: "What causes the motion of a body which is initially in the state of rest?",
+    a: "Force",
+    b: "Displacement",
+    c: "Speed",
+    d: "Velocity",
+    correct: "a",
+    explanation: "According to Newton's first law of motion, an object at rest will remain at rest unless acted upon by an external force. Therefore, the motion of a body initially at rest is caused by the application of a force.",
+    topic: "First Law of Motion",
+    difficulty: "Easy",
+  },
+  {
+    question: "Passengers sitting in a stationary car experience a jerk when the car suddenly starts. This is due to _____",
+    a: "Inertia of Motion",
+    b: "Inertia of rest",
+    c: "Inertia of turning",
+    d: "Inertia of acceleration",
+    correct: "b",
+    explanation: "When the stationary car suddenly starts, passengers experience a jerk due to their inertia of rest. Inertia of rest is the tendency of stationary objects to resist changes in their state of rest.",
+    topic: "Inertia",
+    difficulty: "Medium",
+  },
+  {
+    question: "Which of the following have always the same direction?",
+    a: "Force and acceleration",
+    b: "Force and momentum",
+    c: "Force and velocity",
+    d: "None of these",
+    correct: "a",
+    explanation: "Force and acceleration always have the same direction according to Newton's second law of motion. The direction of force determines the direction of acceleration experienced by an object.",
+    topic: "Force and Directions",
+    difficulty: "Easy",
+  },
+  {
+    question: "Two bodies moving with constant velocities collide with each other. Which of the following quantities remain conserved?",
+    a: "Momentum",
+    b: "Speed",
+    c: "Force",
+    d: "Velocity",
+    correct: "a",
+    explanation: "In a collision between two bodies with constant velocities, momentum remains conserved. According to the law of conservation of momentum, the total momentum of a closed system remains constant if no external forces act on it.",
+    topic: "Conservation of Momentum",
+    difficulty: "Medium",
+  },
+  {
+    question: "A truck with a mass of 2500 Kg traveling with an acceleration of 5 m/s2 hits a scooter. What force does the truck experience?",
+    a: "12500 N",
+    b: "500 N",
+    c: "10000 N",
+    d: "2500 N",
+    correct: "a",
+    explanation: "According to Newton's third law of motion, the force exerted by the truck on the scooter is equal in magnitude and opposite in direction to the force exerted by the scooter on the truck. Therefore, the force experienced by the truck is calculated as mass multiplied by acceleration, i.e., 2500 kg * 5 m/s² = 12500 N.",
+    topic: "Third Law of Motion",
+    difficulty: "Hard",
+  },
+  {
+    question: "Unit of force is _____",
+    a: "Pascal",
+    b: "Newton",
+    c: "Byte",
+    d: "Gram",
+    correct: "b",
+    explanation: "The unit of force is the Newton (N). It is defined as the force required to accelerate a one-kilogram mass by one meter per second squared.",
+    topic: "Force",
+    difficulty: "Easy",
+  },
+  {
+    question: "Two forces are acting on a body. For the body to remain in equilibrium, the forces have to be ____",
+    a: "Equal in magnitude and opposite in direction",
+    b: "Equal in direction and opposite in magnitude",
+    c: "In the same direction",
+    d: "In perpendicular directions",
+    correct: "a",
+    explanation: "For a body to remain in equilibrium, the forces acting on it must be equal in magnitude and opposite in direction. This ensures that the net force acting on the body is zero.",
+    topic: "Equilibrium",
+    difficulty: "Medium",
+  },
+  {
+    question: "What does Newton's second law of motion state?",
+    a: "An object at rest will remain at rest unless acted upon by an external force.",
+    b: "The net force acting on an object is equal to the product of its mass and acceleration.",
+    c: "For every action, there is an equal and opposite reaction.",
+    d: "The velocity of an object remains constant if the net force acting on it is zero.",
+    correct: "b",
+    explanation: "Newton's second law of motion states that the net force acting on an object is equal to the product of its mass and acceleration. Mathematically, it is expressed as F = ma, where F is the net force, m is the mass of the object, and a is its acceleration.",
+    topic: "Second Law of Motion",
+    difficulty: "Medium",
+  },
+  {
+    question: "Change in momentum of an object is equal to the_______",
+    a: "Internal Energy",
+    b: "Entropy",
+    c: "Impulse",
+    d: "Enthalpy",
+    correct: "c",
+    explanation: "The change in momentum of an object is equal to the impulse applied to it. Impulse is the product of force and the time duration over which the force is applied to the object.",
+    topic: "Impulse",
+    difficulty: "Medium",
+  },
+  {
+    question: "What is a frame of reference?",
+    a: "The speed of an object",
+    b: "The position of an object",
+    c: "The background against which motion is measured",
+    d: "The force applied to an object",
+    correct: "c",
+    explanation: "A frame of reference is the background against which motion is measured. It provides a fixed point relative to which the position, motion, or rest of an object is described.",
+    topic: "Frame Of Reference",
+    difficulty: "Easy",
+  },
+];
+
   
   const quiz = document.getElementById("quiz");
   const answerElements = document.querySelectorAll(".answer");
@@ -127,15 +138,20 @@ const quizData = [
     return answer;
   };
   
+  const explanationElement = document.getElementById("explanation");
+
   const loadQuiz = () => {
-    deselectAnswers();
-    const currentQuizData = quizData[currentQuiz];
-    questionElement.innerText = currentQuizData.question;
-    a_text.innerText = currentQuizData.a;
-    b_text.innerText = currentQuizData.b;
-    c_text.innerText = currentQuizData.c;
-    d_text.innerText = currentQuizData.d;
-    difficulty.innerText = currentQuizData.difficulty;
+      deselectAnswers();
+      const currentQuizData = quizData[currentQuiz];
+      questionElement.innerText = currentQuizData.question;
+      a_text.innerText = currentQuizData.a;
+      b_text.innerText = currentQuizData.b;
+      c_text.innerText = currentQuizData.c;
+      d_text.innerText = currentQuizData.d;
+      difficulty.innerText = currentQuizData.difficulty;
+  
+      // Update explanation text
+      explanationElement.innerText = currentQuizData.explanation;
   };
   
   loadQuiz();
diff --git a/Pages/Quizes/tests/button-5/solution.html b/Pages/Quizes/tests/button-5/solution.html
index 49831674a..4becbe2fb 100644
--- a/Pages/Quizes/tests/button-5/solution.html
+++ b/Pages/Quizes/tests/button-5/solution.html
@@ -54,19 +54,19 @@ <h2 id="question">Question is loading...</h2>
       
               <ul class="quiz-ul">
               <li>
-              <input type="radio" name="answer" id="a" class="answer" />
+              <input type="radio" name="answer" id="a" class="answer"  disabled/>
               <label for="a" id="a_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="b" class="answer" />
+                  <input type="radio" name="answer" id="b" class="answer"  disabled/>
                   <label for="b" id="b_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="c" class="answer" />
+                  <input type="radio" name="answer" id="c" class="answer" disabled />
                   <label for="c" id="c_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="d" class="answer" />
+                  <input type="radio" name="answer" id="d" class="answer" disabled />
                   <label for="d" id="d_text">Answer...</label>
               </li>
               <div class="">
@@ -76,6 +76,11 @@ <h3>
             </h3>
             <h4 id="answer">Answer</h4>
         </div>
+        <div class="explanation">
+            <h3>Explanation</h3>
+            <p id="explanation">Explanation goes here...</p>
+        </div>
+
              <button id="next">Next Question</button>
               </div>
           </div>
diff --git a/Pages/Quizes/tests/button-5/solution.js b/Pages/Quizes/tests/button-5/solution.js
index abd2f9e74..c8b59244a 100644
--- a/Pages/Quizes/tests/button-5/solution.js
+++ b/Pages/Quizes/tests/button-5/solution.js
@@ -1,105 +1,116 @@
 const quizData = [
-    {
-      question: "When work is done on system or by a system there is a change in _________",
-      a: "external energy",
-      b: "internal energy",
-      c: "adiabatic energy",
-      d: "isothermal energy",
-      correct: "b",
-      topic: "Internal Energy of System",
-      difficulty: "Easy",
-    },
-    {
-      question: "The system that does not allow the heat to pass through its boundary between the system and surroundings is called as ______________ system.",
-      a: "adiabatic",
-      b: "open",
-      c: "isothermal",
-      d: "close",
-      correct: "a",
-      topic: "Adiabatic System",
-      difficulty: "Medium",
-    },
-    {
-      question: "The least random state of the water system is:",
-      a: "ice",
-      b: "liquid water",
-      c: "steam",
-      d: "randomness is same",
-      correct: "a",
-      topic: "Randomness and Entropy",
-      difficulty: "Easy",
-    },
-    {
-      question: "The enthalpy change in a reaction does not depend upon",
-      a: "the state of reactions and products",
-      b: "the nature of the reactants and products",
-      c: "different intermediate steps in the reaction",
-      d: "initial and final enthalpy of the reaction",
-      correct: "c",
-      topic: "Enthalpy Change in Reactions",
-      difficulty: "Medium",
-    },
-    {
-        question: "The standard state of a substance is considered when the temperature is 298 k and the pressure is ____________",
-        a: "1 ATM",
-        b: "1 bar",
-        c: "1 Pascal",
-        d: "760 mm HG",
-        correct: "b",
-        topic: "Standard Conditions",
-        difficulty: "Hard",
-      },
-      {
-        question: "Reaction is spontaneous if Gibbs free energy is __________",
-        a: "greater than zero",
-        b: "equal to zero",
-        c: "less than zero",
-        d: "infinity",
-        correct: "c",
-        topic: "Gibbs free energy",
-        difficulty: "Easy",
-      },
-      {
-        question: " The entropy of the universe is always increasing is ____________",
-        a: "zeroth law of thermodynamics",
-        b: "first law of thermodynamics",
-        c: "second law of thermodynamics",
-        d: "third law of thermodynamics",
-        correct: "c",
-        topic: "Second law of Thermodynamics",
-        difficulty: "Medium",
-      },
-      {
-        question: "According to the Zeroth Law of Thermodynamics, which of the following statements is correct?",
-        a: " If two systems are in thermal equilibrium with a third system, they are in thermal equilibrium with each other.",
-        b: "Energy can be neither created nor destroyed.",
-        c: "The total energy of an isolated system is constant.",
-        d: "As the temperature of a system approaches absolute zero, the entropy approaches a minimum value.",
-        correct: "a",
-        topic: "Zeroth Law of Thermodynamics",
-        difficulty: "Medium",
-      },
-      {
-        question: "In thermodynamics a process is called reversible when",
-        a: "Surroundings and System change into each other",
-        b: "There is no boundary between system and surroundings",
-        c: "The system changes into surroundings spontaneously",
-        d: "The surroundings are always in equilibrium with the system",
-        correct: "d",
-        topic: "Reversible process",
-        difficulty: "Medium",
-      },
-      {
-        question: "Based on the first law of thermodynamics, which one of the following is correct?",
-        a: "For an isothermal process, q = +w",
-        b: "For an isothermal process, ΔU = -q",
-        c: "For an isothermal process, ΔU = -w",
-        d: "For a cyclic process, q = -w",
-        correct: "d",
-        topic: "First law of Thermodynamics",
-        difficulty: "Hard",
-      },
-  ];
+  {
+    question: "When work is done on a system or by a system, there is a change in _________",
+    a: "external energy",
+    b: "internal energy",
+    c: "adiabatic energy",
+    d: "isothermal energy",
+    correct: "b",
+    explanation: "When work is done on a system or by a system, there is a change in internal energy. Internal energy represents the sum of all microscopic forms of energy within a system.",
+    topic: "Internal Energy of System",
+    difficulty: "Easy",
+  },
+  {
+    question: "The system that does not allow heat to pass through its boundary between the system and surroundings is called a ______________ system.",
+    a: "adiabatic",
+    b: "open",
+    c: "isothermal",
+    d: "closed",
+    correct: "a",
+    explanation: "A system that does not allow heat to pass through its boundary is called an adiabatic system. In adiabatic systems, there is no exchange of heat between the system and its surroundings.",
+    topic: "Adiabatic System",
+    difficulty: "Medium",
+  },
+  {
+    question: "The least random state of the water system is:",
+    a: "ice",
+    b: "liquid water",
+    c: "steam",
+    d: "randomness is same",
+    correct: "a",
+    explanation: "The least random state of the water system is ice. In ice, water molecules are in a highly ordered and structured arrangement, leading to lower randomness compared to liquid water or steam.",
+    topic: "Randomness and Entropy",
+    difficulty: "Easy",
+  },
+  {
+    question: "The enthalpy change in a reaction does not depend upon",
+    a: "the state of reactions and products",
+    b: "the nature of the reactants and products",
+    c: "different intermediate steps in the reaction",
+    d: "initial and final enthalpy of the reaction",
+    correct: "c",
+    explanation: "The enthalpy change in a reaction does not depend upon different intermediate steps in the reaction. Enthalpy change only depends on the initial and final states of the reactants and products.",
+    topic: "Enthalpy Change in Reactions",
+    difficulty: "Medium",
+  },
+  {
+    question: "The standard state of a substance is considered when the temperature is 298 K and the pressure is ____________",
+    a: "1 ATM",
+    b: "1 bar",
+    c: "1 Pascal",
+    d: "760 mm Hg",
+    correct: "b",
+    explanation: "The standard state of a substance is considered when the temperature is 298 K and the pressure is 1 bar. This standard condition allows for consistent comparison of thermodynamic properties of substances.",
+    topic: "Standard Conditions",
+    difficulty: "Hard",
+  },
+  {
+    question: "A reaction is spontaneous if Gibbs free energy is __________",
+    a: "greater than zero",
+    b: "equal to zero",
+    c: "less than zero",
+    d: "infinity",
+    correct: "c",
+    explanation: "A reaction is spontaneous if Gibbs free energy is less than zero. This indicates that the reaction will proceed spontaneously in the forward direction without the need for external intervention.",
+    topic: "Gibbs free energy",
+    difficulty: "Easy",
+  },
+  {
+    question: "The entropy of the universe is always increasing is ____________",
+    a: "zeroth law of thermodynamics",
+    b: "first law of thermodynamics",
+    c: "second law of thermodynamics",
+    d: "third law of thermodynamics",
+    correct: "c",
+    explanation: "The statement that the entropy of the universe is always increasing is the second law of thermodynamics. This law describes the direction of natural processes and the irreversibility of certain physical phenomena.",
+    topic: "Second Law of Thermodynamics",
+    difficulty: "Medium",
+  },
+  {
+    question: "According to the Zeroth Law of Thermodynamics, which of the following statements is correct?",
+    a: "If two systems are in thermal equilibrium with a third system, they are in thermal equilibrium with each other.",
+    b: "Energy can be neither created nor destroyed.",
+    c: "The total energy of an isolated system is constant.",
+    d: "As the temperature of a system approaches absolute zero, the entropy approaches a minimum value.",
+    correct: "a",
+    explanation: "According to the Zeroth Law of Thermodynamics, if two systems are in thermal equilibrium with a third system, they are in thermal equilibrium with each other. This law establishes the concept of temperature and forms the basis for the definition of thermal equilibrium.",
+    topic: "Zeroth Law of Thermodynamics",
+    difficulty: "Medium",
+  },
+  {
+    question: "In thermodynamics, a process is called reversible when",
+    a: "Surroundings and System change into each other",
+    b: "There is no boundary between system and surroundings",
+    c: "The system changes into surroundings spontaneously",
+    d: "The surroundings are always in equilibrium with the system",
+    correct: "d",
+    explanation: "In thermodynamics, a process is called reversible when the surroundings are always in equilibrium with the system. Reversible processes are idealized processes that can be reversed without any loss of energy.",
+    topic: "Reversible process",
+    difficulty: "Medium",
+  },
+  {
+    question: "Based on the first law of thermodynamics, which one of the following is correct?",
+    a: "For an isothermal process, q = +w",
+    b: "For an isothermal process, ΔU = -q",
+    c: "For an isothermal process, ΔU = -w",
+    d: "For a cyclic process, q = -w",
+    correct: "d",
+    explanation: "Based on the first law of thermodynamics, for a cyclic process, the heat (q) absorbed by the system is equal to the work (w) done by the system. This relationship is expressed by the equation q = -w.",
+    topic: "First law of Thermodynamics",
+    difficulty: "Hard",
+  },
+];
+
   
   const quiz = document.getElementById("quiz");
   const answerElements = document.querySelectorAll(".answer");
@@ -127,15 +138,21 @@ const quizData = [
     return answer;
   };
   
+
+  const explanationElement = document.getElementById("explanation");
+
   const loadQuiz = () => {
-    deselectAnswers();
-    const currentQuizData = quizData[currentQuiz];
-    questionElement.innerText = currentQuizData.question;
-    a_text.innerText = currentQuizData.a;
-    b_text.innerText = currentQuizData.b;
-    c_text.innerText = currentQuizData.c;
-    d_text.innerText = currentQuizData.d;
-    difficulty.innerText = currentQuizData.difficulty;
+      deselectAnswers();
+      const currentQuizData = quizData[currentQuiz];
+      questionElement.innerText = currentQuizData.question;
+      a_text.innerText = currentQuizData.a;
+      b_text.innerText = currentQuizData.b;
+      c_text.innerText = currentQuizData.c;
+      d_text.innerText = currentQuizData.d;
+      difficulty.innerText = currentQuizData.difficulty;
+  
+      // Update explanation text
+      explanationElement.innerText = currentQuizData.explanation;
   };
   
   loadQuiz();
diff --git a/Pages/Quizes/tests/button-6/solution.html b/Pages/Quizes/tests/button-6/solution.html
index d9180642a..eb009a4f7 100644
--- a/Pages/Quizes/tests/button-6/solution.html
+++ b/Pages/Quizes/tests/button-6/solution.html
@@ -54,19 +54,19 @@ <h2 id="question">Question is loading...</h2>
       
               <ul class="quiz-ul">
               <li>
-              <input type="radio" name="answer" id="a" class="answer" />
+              <input type="radio" name="answer" id="a" class="answer"  disabled/>
               <label for="a" id="a_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="b" class="answer" />
+                  <input type="radio" name="answer" id="b" class="answer"  disabled/>
                   <label for="b" id="b_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="c" class="answer" />
+                  <input type="radio" name="answer" id="c" class="answer"  disabled/>
                   <label for="c" id="c_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="d" class="answer" />
+                  <input type="radio" name="answer" id="d" class="answer" disabled />
                   <label for="d" id="d_text">Answer...</label>
               </li>
               <div class="">
@@ -75,6 +75,10 @@ <h3>
                   Correct Answer
             </h3>
             <h4 id="answer">Answer</h4>
+        </div>
+        <div class="explanation">
+            <h3>Explanation</h3>
+            <p id="explanation">Explanation goes here...</p>
         </div>
              <button id="next">Next Question</button>
               </div>
diff --git a/Pages/Quizes/tests/button-6/solution.js b/Pages/Quizes/tests/button-6/solution.js
index 7564a425a..357d5888c 100644
--- a/Pages/Quizes/tests/button-6/solution.js
+++ b/Pages/Quizes/tests/button-6/solution.js
@@ -1,107 +1,116 @@
 const quizData = [
-    {
-      question: "How many electrons does a neutral nitrogen atom have?",
-      a: "5",
-      b: "6",
-      c: "7",
-      d: "8",
-      correct: "c",
-      topic: "Atom",
-      difficulty: "Easy",
-    },
-    {
-      question: "Which group in the periodic table contains noble gases?",
-      a: "Group 1",
-      b: "Group 2",
-      c: "Group 17",
-      d: "Group 18",
-      correct: "d",
-      topic: "Noble Gases",
-      difficulty: "Easy",
-    },
+  {
+    question: "How many electrons does a neutral nitrogen atom have?",
+    a: "5",
+    b: "6",
+    c: "7",
+    d: "8",
+    correct: "c",
+    explanation: "A neutral nitrogen atom has 7 electrons. This is because the atomic number of nitrogen is 7, which corresponds to the number of electrons in a neutral atom.",
+    topic: "Atom",
+    difficulty: "Easy",
+  },
+  {
+    question: "Which group in the periodic table contains noble gases?",
+    a: "Group 1",
+    b: "Group 2",
+    c: "Group 17",
+    d: "Group 18",
+    correct: "d",
+    explanation: "Noble gases are found in Group 18 of the periodic table. These gases are characterized by their very low reactivity due to their filled valence electron shells.",
+    topic: "Noble Gases",
+    difficulty: "Easy",
+  },
+  {
+    question: "What is the main energy level (shell) for the outermost electrons in Group 16 elements?",
+    a: "n=1",
+    b: "n=2",
+    c: "n=3",
+    d: "n=4",
+    correct: "d",
+    explanation: "The main energy level (shell) for the outermost electrons in Group 16 elements is n=4. Group 16 elements, also known as the chalcogens, have their outermost electrons in the fourth energy level.",
+    topic: "Periodic Table",
+    difficulty: "Medium",
+  },
+  {
+    question: "Which element is at the center of a molecule with a trigonal bipyramidal molecular geometry?",
+    a: "Carbon",
+    b: "Nitrogen",
+    c: "Phosphorus",
+    d: "Sulfur",
+    correct: "c",
+    explanation: "Phosphorus is at the center of a molecule with a trigonal bipyramidal molecular geometry. In this geometry, the central atom (phosphorus) is surrounded by five other atoms or groups of atoms arranged in a trigonal bipyramid.",
+    topic: "Periodic Table",
+    difficulty: "Hard",
+  },
+  {
+    question: "What is the charge of a chloride ion (Cl-)?",
+    a: "-1",
+    b: "+1",
+    c: "0",
+    d: "-2",
+    correct: "a",
+    explanation: "The charge of a chloride ion (Cl-) is -1. This ion is formed when a chlorine atom gains one electron to achieve a stable electron configuration.",
+    topic: "Halogens",
+    difficulty: "Easy",
+  },
+  {
+    question: "What is the common oxidation state of oxygen in compounds?",
+    a: "-1",
+    b: "0",
+    c: "+1",
+    d: "-2",
+    correct: "d",
+    explanation: "The common oxidation state of oxygen in compounds is -2. Oxygen typically gains two electrons to achieve a stable electron configuration, resulting in an oxidation state of -2 in most compounds.",
+    topic: "Group 16",
+    difficulty: "Medium",
+  },
+  {
+    question: "Which of the following elements has the highest atomic radius?",
+    a: "Oxygen",
+    b: "Nitrogen",
+    c: "Carbon",
+    d: "Fluorine",
+    correct: "c",
+    explanation: "Carbon has the highest atomic radius among the given options. Atomic radius generally decreases across a period from left to right in the periodic table, and carbon is located to the left of oxygen, nitrogen, and fluorine.",
+    topic: "Group 14",
+    difficulty: "Hard",
+  },
+  {
+    question: "What is the trend of atomic radius as you move from left to right across a period in the periodic table?",
+    a: "Increases",
+    b: "Decreases",
+    c: "Remains Constant",
+    d: "No Pattern",
+    correct: "b",
+    explanation: "The trend of atomic radius as you move from left to right across a period in the periodic table is that it decreases. This is due to increasing nuclear charge, which attracts the outermost electrons more strongly, resulting in a smaller atomic radius.",
+    topic: "Atoms",
+    difficulty: "Medium",
+  },
+  {
+    question: "Which ion is isoelectronic with argon?",
+    a: "Cl-",
+    b: "K+",
+    c: "Ca2+",
+    d: "S2-",
+    correct: "c",
+    explanation: "The ion that is isoelectronic with argon is Ca2+. Isoelectronic species have the same number of electrons, and Ca2+ has the same electron configuration as argon (18 electrons).",
+    topic: "Inert Elements",
+    difficulty: "Hard",
+  },
+  {
+    question: "In which period is the element chlorine located?",
+    a: "1",
+    b: "2",
+    c: "3",
+    d: "4",
+    correct: "c",
+    explanation: "The element chlorine is located in period 3 of the periodic table. Periods in the periodic table represent the energy levels (shells) in which the outermost electrons of the elements are found.",
+    topic: "Periodic Table",
+    difficulty: "Easy",
+  },
+];
 
-    {
-      question: " What is the main energy level (shell) for the outermost electrons in Group 16 elements?",
-      a: "n=1",
-      b: "n=2",
-      c: "n=3",
-      d: "n=4",
-      correct: "d",
-      topic: "Periodic Table",
-      difficulty: "Medium",
-    },
-    {
-      question: " Which element is at the center of a molecule with a trigonal bipyramidal molecular geometry?",
-      a: "Carbon",
-      b: "Nitrogen",
-      c: "Phosphorus",
-      d: "Sulphur",
-      correct: "c",
-      topic: "Periodic Table",
-      difficulty: "Hard",
-    },
-    {
-        question: "What is the charge of a chloride ion (Cl-)?",
-        a: "-1",
-        b: "+1",
-        c: "0",
-        d: "-2",
-        correct: "a",
-        topic: "Halogens",
-        difficulty: "Easy",
-      },
-      {
-        question: "What is the common oxidation state of oxygen in compounds?",
-        a: "-1",
-        b: "0",
-        c: "+1",
-        d: "-2",
-        correct: "d",
-        topic: "Group 16",
-        difficulty: "Medium",
-      },
-      {
-        question: "Which of the following elements has the highest atomic radius?",
-        a: "Oxygen",
-        b: "Nitrogen",
-        c: "Carbon",
-        d: "Fluorine",
-        correct: "c",
-        topic: "Group 14",
-        difficulty: "Hard",
-      },
-      {
-        question: "What is the trend of atomic radius as you move from left to right across a period in the periodic table?",
-        a: "Increases",
-        b: "Decreases",
-        c: "Remains Constant",
-        d: "No Pattern",
-        correct: "b",
-        topic: "Atoms",
-        difficulty: "Medium",
-      },
-      {
-        question: "Which ion is isoelectronic with argon?",
-        a: "Cl-",
-        b: "K+",
-        c: "Ca2+",
-        d: "S2-",
-        correct: "c",
-        topic: "Inert Elements",
-        difficulty: "Hard",
-      },
-      {
-        question: "In which period is the element chlorine located?",
-        a: "1",
-        b: "2",
-        c: "3",
-        d: "4",
-        correct: "c",
-        topic: "Periodic Table",
-        difficulty: "Easy",
-      },
-    ];
-  
   const quiz = document.getElementById("quiz");
   const answerElements = document.querySelectorAll(".answer");
   const questionElement = document.getElementById("question");
@@ -128,17 +137,21 @@ const quizData = [
     return answer;
   };
   
+  const explanationElement = document.getElementById("explanation");
+
   const loadQuiz = () => {
-    deselectAnswers();
-    const currentQuizData = quizData[currentQuiz];
-    questionElement.innerText = currentQuizData.question;
-    a_text.innerText = currentQuizData.a;
-    b_text.innerText = currentQuizData.b;
-    c_text.innerText = currentQuizData.c;
-    d_text.innerText = currentQuizData.d;
-    difficulty.innerText = currentQuizData.difficulty;
-  };
+      deselectAnswers();
+      const currentQuizData = quizData[currentQuiz];
+      questionElement.innerText = currentQuizData.question;
+      a_text.innerText = currentQuizData.a;
+      b_text.innerText = currentQuizData.b;
+      c_text.innerText = currentQuizData.c;
+      d_text.innerText = currentQuizData.d;
+      difficulty.innerText = currentQuizData.difficulty;
   
+      // Update explanation text
+      explanationElement.innerText = currentQuizData.explanation;
+  };
   loadQuiz();
   
   document.getElementById("answer").innerHTML = quizData[0].correct;
diff --git a/Pages/Quizes/tests/button-7/solution.html b/Pages/Quizes/tests/button-7/solution.html
index 1d3e7283d..de8c1e980 100644
--- a/Pages/Quizes/tests/button-7/solution.html
+++ b/Pages/Quizes/tests/button-7/solution.html
@@ -54,19 +54,19 @@ <h2 id="question">Question is loading...</h2>
       
               <ul class="quiz-ul">
               <li>
-              <input type="radio" name="answer" id="a" class="answer" />
+              <input type="radio" name="answer" id="a" class="answer"  disabled/>
               <label for="a" id="a_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="b" class="answer" />
+                  <input type="radio" name="answer" id="b" class="answer"  disabled/>
                   <label for="b" id="b_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="c" class="answer" />
+                  <input type="radio" name="answer" id="c" class="answer"  disabled/>
                   <label for="c" id="c_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="d" class="answer" />
+                  <input type="radio" name="answer" id="d" class="answer" disabled />
                   <label for="d" id="d_text">Answer...</label>
               </li>
               <div class="">
@@ -75,6 +75,10 @@ <h3>
                   Correct Answer
             </h3>
             <h4 id="answer">Answer</h4>
+        </div>
+        <div class="explanation">
+            <h3>Explanation</h3>
+            <p id="explanation">Explanation goes here...</p>
         </div>
              <button id="next">Next Question</button>
               </div>
diff --git a/Pages/Quizes/tests/button-7/solution.js b/Pages/Quizes/tests/button-7/solution.js
index c7d146f95..d0b3bf729 100644
--- a/Pages/Quizes/tests/button-7/solution.js
+++ b/Pages/Quizes/tests/button-7/solution.js
@@ -1,107 +1,116 @@
 const quizData = [
-    {
-      question: "What is the formula for the volume of a rectangular prism?",
-      a: "V = lwh",
-      b: "V = lw",
-      c: " V = 2(l + w + h)",
-      d: "V = l^2 + w^2 + h^2",
-      correct: "a",
-      topic: "Volume of 3D Shapes",
-      difficulty: "Easy",
-    },
-    {
-      question: "Which of the following is the equation of a plane in 3D space?",
-      a: "ax + by + cz = d",
-      b: "y = mx + b",
-      c: "x^2 + y^2 = r^2",
-      d: "z = mx + ny + p",
-      correct: "a",
-      topic: "Equations of Planes in 3D Space",
-      difficulty: "Moderate",
-    },
+  {
+    question: "What is the formula for the volume of a rectangular prism?",
+    a: "V = lwh",
+    b: "V = lw",
+    c: "V = 2(l + w + h)",
+    d: "V = l^2 + w^2 + h^2",
+    correct: "a",
+    explanation: "The volume of a rectangular prism is calculated by multiplying its length (l), width (w), and height (h), so the correct formula is V = lwh.",
+    topic: "Volume of 3D Shapes",
+    difficulty: "Easy",
+  },
+  {
+    question: "Which of the following is the equation of a plane in 3D space?",
+    a: "ax + by + cz = d",
+    b: "y = mx + b",
+    c: "x^2 + y^2 = r^2",
+    d: "z = mx + ny + p",
+    correct: "a",
+    explanation: "The equation of a plane in 3D space is typically represented as ax + by + cz = d, where a, b, c, and d are constants and x, y, and z are variables representing the coordinates in 3D space.",
+    topic: "Equations of Planes in 3D Space",
+    difficulty: "Moderate",
+  },
+  {
+    question: "What is the name of a three-sided polygon that lies in a plane in 3D space?",
+    a: "Triangle",
+    b: "Quadrilateral",
+    c: "Pentagon",
+    d: "Hexagon",
+    correct: "a",
+    explanation: "A three-sided polygon that lies in a plane in 3D space is called a triangle.",
+    topic: "Basic 3D Geometry",
+    difficulty: "Moderate",
+  },
+  {
+    question: "If two vectors are parallel, what can be said about their cross product?",
+    a: "It is zero",
+    b: "It is undefined",
+    c: "It is always negative",
+    d: "It is always positive",
+    correct: "a",
+    explanation: "If two vectors are parallel, their cross product is zero.",
+    topic: "Vector Operations",
+    difficulty: "Moderate",
+  },
+  {
+    question: "Which of the following is the correct formula for the surface area of a sphere?",
+    a: "A = 4πr^2",
+    b: "A = πr^2",
+    c: "A = 2πrh",
+    d: "A = 2πr",
+    correct: "a",
+    explanation: "The correct formula for the surface area of a sphere is A = 4πr^2, where r is the radius of the sphere.",
+    topic: "Surface Area of 3D Shapes",
+    difficulty: "Easy",
+  },
+  {
+    question: "What is the relationship between the angle θ and the direction cosines l, m, and n in a direction cosines form of a line equation in 3D space?",
+    a: "l^2 + m^2 + n^2 = 1",
+    b: "l + m + n = 1",
+    c: "l = m = n",
+    d: "θ = l + m + n",
+    correct: "a",
+    explanation: "In the direction cosines form of a line equation in 3D space, the relationship between the angle θ and the direction cosines l, m, and n is given by l^2 + m^2 + n^2 = 1.",
+    topic: "Lines in 3D Space",
+    difficulty: "Moderate",
+  },
+  {
+    question: "If a pyramid has a triangular base, how many vertices does it have?",
+    a: "3",
+    b: "4",
+    c: "5",
+    d: "6",
+    correct: "c",
+    explanation: "If a pyramid has a triangular base, it has 5 vertices.",
+    topic: "3D Shapes",
+    difficulty: "Easy",
+  },
+  {
+    question: "What is the term for the point inside a right-angled triangle where the altitude meets the hypotenuse?",
+    a: "Orthocenter",
+    b: "Centroid",
+    c: "Incenter",
+    d: "Circumcenter",
+    correct: "a",
+    explanation: "The point inside a right-angled triangle where the altitude meets the hypotenuse is called the orthocenter.",
+    topic: "Right-Angled Triangles in 3D",
+    difficulty: "Hard",
+  },
+  {
+    question: "Which of the following is the equation of a cylinder in 3D space?",
+    a: "x^2 + y^2 = r^2",
+    b: "z = mx + ny",
+    c: "V = lwh",
+    d: "(x - h)^2 + (y - k)^2 = r^2",
+    correct: "a",
+    explanation: "The equation of a cylinder in 3D space is x^2 + y^2 = r^2, where r is the radius of the cylinder.",
+    topic: "Equations of Surfaces in 3D",
+    difficulty: "Easy",
+  },
+  {
+    question: "If a line and a plane are perpendicular, what can be said about the direction vector of the line and the normal vector of the plane?",
+    a: "They are parallel",
+    b: "They are anti-parallel",
+    c: "They are orthogonal",
+    d: "They are collinear",
+    correct: "c",
+    explanation: "If a line and a plane are perpendicular, their direction vector and normal vector are orthogonal to each other.",
+    topic: "Lines and Planes in 3D",
+    difficulty: "Hard",
+  },
+];
 
-    {
-      question: "What is the name of a three-sided polygon that lies in a plane in 3D space?",
-      a: "Triangle",
-      b: "Quadrilateral",
-      c: "Pentagon",
-      d: "Hexagon",
-      correct: "a",
-      topic: "Basic 3D Geometry",
-      difficulty: "Moderate",
-    },
-    {
-      question: "If two vectors are parallel, what can be said about their cross product?",
-      a: "It is zero",
-      b: "It is undedefined",
-      c: "It is always negative",
-      d: "It is always positive",
-      correct: "a",
-      topic: "Vector Operations",
-      difficulty: "Moderate",
-    },
-    {
-        question: "Which of the following is the correct formula for the surface area of a sphere?",
-        a: " A = 4πr^2",
-        b: "A = πr^2",
-        c: "A = 2πrh",
-        d: "A = 2πr",
-        correct: "a",
-        topic: "Surface Area of 3D Shapes",
-        difficulty: "Easy",
-      },
-      {
-        question: "What is the relationship between the angle θ and the direction cosines l, m, and n in a direction cosines form of a line equation in 3D space?",
-        a: "l^2 + m^2 + n^2 = 1",
-        b: " l + m + n = 1",
-        c: " l = m = n",
-        d: "θ = l + m + n",
-        correct: "a",
-        topic: "Lines in 3D Space",
-        difficulty: "Moderate",
-      },
-      {
-        question: "If a pyramid has a triangular base, how many vertices does it have?",
-        a: "3",
-        b: "4",
-        c: "5",
-        d: "6",
-        correct: "c",
-        topic: "3D Shapes",
-        difficulty: "Easy",
-      },
-      {
-        question: "What is the term for the point inside a right-angled triangle where the altitude meets the hypotenuse?",
-        a: "Orthocenter",
-        b: "Centroid",
-        c: "Incenter",
-        d: "Circumcenter",
-        correct: "a",
-        topic: "Right-Angled Triangles in 3D",
-        difficulty: "Hard",
-      },
-      {
-        question: "Which of the following is the equation of a cylinder in 3D space?",
-        a: " x^2 + y^2 = r^2",
-        b: "z = mx + ny",
-        c: "V = lwh",
-        d: " (x - h)^2 + (y - k)^2 = r^2",
-        correct: "a",
-        topic: "Equations of Surfaces in 3D",
-        difficulty: "Easy",
-      },
-      {
-        question: "If a line and a plane are perpendicular, what can be said about the direction vector of the line and the normal vector of the plane?",
-        a: "They are parallel",
-        b: "They are anti parallel",
-        c: "They are orthogonal",
-        d: "They are collinear",
-        correct: "c",
-        topic: "Lines and Planes in 3D",
-        difficulty: "Hard",
-      },
-    ];
-  
     const quiz = document.getElementById("quiz");
     const answerElements = document.querySelectorAll(".answer");
     const questionElement = document.getElementById("question");
@@ -128,17 +137,22 @@ const quizData = [
       return answer;
     };
     
-    const loadQuiz = () => {
-      deselectAnswers();
-      const currentQuizData = quizData[currentQuiz];
-      questionElement.innerText = currentQuizData.question;
-      a_text.innerText = currentQuizData.a;
-      b_text.innerText = currentQuizData.b;
-      c_text.innerText = currentQuizData.c;
-      d_text.innerText = currentQuizData.d;
-      difficulty.innerText = currentQuizData.difficulty;
-    };
-    
+    const explanationElement = document.getElementById("explanation");
+
+const loadQuiz = () => {
+    deselectAnswers();
+    const currentQuizData = quizData[currentQuiz];
+    questionElement.innerText = currentQuizData.question;
+    a_text.innerText = currentQuizData.a;
+    b_text.innerText = currentQuizData.b;
+    c_text.innerText = currentQuizData.c;
+    d_text.innerText = currentQuizData.d;
+    difficulty.innerText = currentQuizData.difficulty;
+
+    // Update explanation text
+    explanationElement.innerText = currentQuizData.explanation;
+};
+
     loadQuiz();
     
     document.getElementById("answer").innerHTML = quizData[0].correct;
diff --git a/Pages/Quizes/tests/button-8/solution.html b/Pages/Quizes/tests/button-8/solution.html
index 9fbf9a4c2..abf27193b 100644
--- a/Pages/Quizes/tests/button-8/solution.html
+++ b/Pages/Quizes/tests/button-8/solution.html
@@ -54,19 +54,19 @@ <h2 id="question">Question is loading...</h2>
       
               <ul class="quiz-ul">
               <li>
-              <input type="radio" name="answer" id="a" class="answer" />
+              <input type="radio" name="answer" id="a" class="answer" disabled/>
               <label for="a" id="a_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="b" class="answer" />
+                  <input type="radio" name="answer" id="b" class="answer"disabled />
                   <label for="b" id="b_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="c" class="answer" />
+                  <input type="radio" name="answer" id="c" class="answer" disabled/>
                   <label for="c" id="c_text">Answer...</label>
               </li>
               <li>
-                  <input type="radio" name="answer" id="d" class="answer" />
+                  <input type="radio" name="answer" id="d" class="answer" disabled/>
                   <label for="d" id="d_text">Answer...</label>
               </li>
               <div class="">
@@ -75,6 +75,10 @@ <h3>
                   Correct Answer
             </h3>
             <h4 id="answer">Answer</h4>
+        </div>
+        <div class="explanation">
+            <h3>Explanation</h3>
+            <p id="explanation">Explanation goes here...</p>
         </div>
              <button id="next">Next Question</button>
               </div>
diff --git a/Pages/Quizes/tests/button-8/solution.js b/Pages/Quizes/tests/button-8/solution.js
index 411325fc1..277edc3d5 100644
--- a/Pages/Quizes/tests/button-8/solution.js
+++ b/Pages/Quizes/tests/button-8/solution.js
@@ -1,107 +1,116 @@
 const quizData = [
-    {
-      question: "Which bond is formed between two nonmetals?",
-      a: "Ionic",
-      b: "Covalent",
-      c: "Metallic",
-      d: "Polar",
-      correct: "b",
-      topic: "Types of Bonds",
-      difficulty: "Easy",
-    },
-    {
-      question: "Which type of bond is characterized by unequal sharing of electrons?",
-      a: "Ionic",
-      b: "Covalent",
-      c: "Polar Covalent",
-      d: "Metallic",
-      correct: "c",
-      topic: "Types of Bonds",
-      difficulty: "Medium",
-    },
+  {
+    question: "Which bond is formed between two nonmetals?",
+    a: "Ionic",
+    b: "Covalent",
+    c: "Metallic",
+    d: "Polar",
+    correct: "b",
+    explanation: "A covalent bond is formed between two nonmetals. In a covalent bond, atoms share electrons to achieve a stable electron configuration.",
+    topic: "Types of Bonds",
+    difficulty: "Easy",
+  },
+  {
+    question: "Which type of bond is characterized by unequal sharing of electrons?",
+    a: "Ionic",
+    b: "Covalent",
+    c: "Polar Covalent",
+    d: "Metallic",
+    correct: "c",
+    explanation: "A polar covalent bond is characterized by unequal sharing of electrons between atoms. This occurs when one atom has a higher electronegativity than the other, resulting in an uneven distribution of electron density.",
+    topic: "Types of Bonds",
+    difficulty: "Medium",
+  },
+  {
+    question: "What is the bond angle in a molecule with a trigonal bipyramidal electron geometry?",
+    a: "90°",
+    b: "109.5°",
+    c: "120°",
+    d: "180°",
+    correct: "c",
+    explanation: "The bond angle in a molecule with a trigonal bipyramidal electron geometry is 120°. This geometry occurs when a central atom is bonded to five other atoms or groups, resulting in a trigonal bipyramidal arrangement.",
+    topic: "Molecular Geometry",
+    difficulty: "Hard",
+  },
+  {
+    question: "What is the VSEPR theory used to predict?",
+    a: "Molecular Geometry",
+    b: "Electron Configuration",
+    c: "Hybridization",
+    d: "Ionization Energy",
+    correct: "a",
+    explanation: "The VSEPR (Valence Shell Electron Pair Repulsion) theory is used to predict the molecular geometry of molecules. It is based on the idea that electron pairs in the valence shell of an atom repel each other and will arrange themselves to minimize repulsion.",
+    topic: "VSEPR Theory",
+    difficulty: "Medium",
+  },
+  {
+    question: "What is the electron configuration of oxygen?",
+    a: "1s² 2s² 2p⁴",
+    b: "1s² 2s² 2p²",
+    c: "1s² 2s¹",
+    d: "1s² 2s² 2p⁶",
+    correct: "a",
+    explanation: "The electron configuration of oxygen is 1s² 2s² 2p⁴. This means that oxygen has 8 electrons, with 2 in the first energy level (1s²) and 6 in the second energy level (2s² 2p⁴).",
+    topic: "Atomic Structure",
+    difficulty: "Easy",
+  },
+  {
+    question: "Explain the concept of resonance in chemical bonding.",
+    a: "The transfer of electrons between atoms",
+    b: "The average of multiple Lewis structures",
+    c: "The formation of ionic bonds",
+    d: "The sharing of electrons in covalent bonds",
+    correct: "b",
+    explanation: "Resonance in chemical bonding refers to the concept that multiple Lewis structures can be drawn for a molecule or ion, where the actual structure is an average or combination of these resonance structures.",
+    topic: "Resonance",
+    difficulty: "Hard",
+  },
+  {
+    question: "What is the relationship between bond length and bond strength?",
+    a: "Inversely proportional",
+    b: "Directly proportional",
+    c: "No relationship",
+    d: "Depends on the atoms involved",
+    correct: "a",
+    explanation: "The relationship between bond length and bond strength is inversely proportional. Generally, shorter bonds are stronger because the nuclei of the bonded atoms are closer together, resulting in stronger electrostatic forces of attraction between them.",
+    topic: "Bond Length and Strength",
+    difficulty: "Hard",
+  },
+  {
+    question: "What is the charge of a chloride ion?",
+    a: "+1",
+    b: "-1",
+    c: "0",
+    d: "+2",
+    correct: "b",
+    explanation: "The charge of a chloride ion is -1. This ion is formed when a chlorine atom gains one electron to achieve a stable electron configuration.",
+    topic: "Ionic Bonds",
+    difficulty: "Easy",
+  },
+  {
+    question: "What is the significance of the term 'sp³d²' in hybridization?",
+    a: "Number of lone pairs",
+    b: "Number of sigma bonds",
+    c: "Number of pi bonds",
+    d: "Number of orbitals involved in hybridization",
+    correct: "d",
+    explanation: "The term 'sp³d²' in hybridization indicates the number of orbitals involved in hybridization. In this case, there are 6 hybridized orbitals formed from the combination of one s orbital, three p orbitals, and two d orbitals.",
+    topic: "Hybridization",
+    difficulty: "Hard",
+  },
+  {
+    question: "What is the formal charge on the nitrogen atom in the ammonium ion (NH₄⁺)?",
+    a: "-1",
+    b: "0",
+    c: "+1",
+    d: "+2",
+    correct: "c",
+    explanation: "The formal charge on the nitrogen atom in the ammonium ion (NH₄⁺) is +1. To calculate the formal charge, you subtract the number of non-bonding electrons and half the number of bonding electrons from the total valence electrons of the atom.",
+    topic: "Formal Charge",
+    difficulty: "Medium",
+  },
+];
 
-    {
-      question: "What is the bond angle in a molecule with a trigonal bipyramidal electron geometry?",
-      a: "90°",
-      b: "109.5°",
-      c: " 120°",
-      d: "180°",
-      correct: "c",
-      topic: "Molecular Geometry",
-      difficulty: "Hard",
-    },
-    {
-      question: " What is the VSEPR theory used to predict?",
-      a: "Molecular Geometry",
-      b: "Electron Configuration",
-      c: "Hybridization",
-      d: "Ionization Energy",
-      correct: "a",
-      topic: "VSEPR Theory",
-      difficulty: "Medium",
-    },
-    {
-        question: "What is the electron configuration of oxygen?",
-        a: " 1s² 2s² 2p⁴",
-        b: " 1s² 2s² 2p²",
-        c: " 1s² 2s¹",
-        d: "1s² 2s² 2p⁶",
-        correct: "a",
-        topic: "Atomic Structure",
-        difficulty: "Easy",
-      },
-      {
-        question: "Explain the concept of resonance in chemical bonding.",
-        a: "The transfer of electrons between atoms",
-        b: "The average of multiple Lewis structures",
-        c: "The formation of ionic bonds",
-        d: "The sharing of electrons in covalent bonds",
-        correct: "b",
-        topic: "Resonance",
-        difficulty: "Hard",
-      },
-      {
-        question: "What is the relationship between bond length and bond strength?",
-        a: " Inversely proportional",
-        b: " Directly proportional",
-        c: "CarbNo relationshipon",
-        d: "Depends on the atoms involved",
-        correct: "a",
-        topic: "Bond Length and Strength",
-        difficulty: "Hard",
-      },
-      {
-        question: "What is the charge of a chloride ion?",
-        a: "+1",
-        b: "-1",
-        c: "0",
-        d: "+2",
-        correct: "b",
-        topic: " Ionic Bonds",
-        difficulty: "Easy",
-      },
-      {
-        question: "What is the significance of the term 'sp³d²' in hybridization?",
-        a: "Number of lone pairs",
-        b: " Number of sigma bonds",
-        c: "Number of pi bonds",
-        d: "Number of orbitals involved in hybridization",
-        correct: "d",
-        topic: "Hybridization",
-        difficulty: "Hard",
-      },
-      {
-        question: "What is the formal charge on the nitrogen atom in the ammonium ion (NH₄⁺)?",
-        a: "-1",
-        b: "0",
-        c: "+1",
-        d: "+2",
-        correct: "c",
-        topic: "Formal Charge",
-        difficulty: "Medium",
-      },
-    ];
-  
   const quiz = document.getElementById("quiz");
   const answerElements = document.querySelectorAll(".answer");
   const questionElement = document.getElementById("question");
@@ -128,15 +137,20 @@ const quizData = [
     return answer;
   };
   
+  const explanationElement = document.getElementById("explanation");
+
   const loadQuiz = () => {
-    deselectAnswers();
-    const currentQuizData = quizData[currentQuiz];
-    questionElement.innerText = currentQuizData.question;
-    a_text.innerText = currentQuizData.a;
-    b_text.innerText = currentQuizData.b;
-    c_text.innerText = currentQuizData.c;
-    d_text.innerText = currentQuizData.d;
-    difficulty.innerText = currentQuizData.difficulty;
+      deselectAnswers();
+      const currentQuizData = quizData[currentQuiz];
+      questionElement.innerText = currentQuizData.question;
+      a_text.innerText = currentQuizData.a;
+      b_text.innerText = currentQuizData.b;
+      c_text.innerText = currentQuizData.c;
+      d_text.innerText = currentQuizData.d;
+      difficulty.innerText = currentQuizData.difficulty;
+  
+      // Update explanation text
+      explanationElement.innerText = currentQuizData.explanation;
   };
   
   loadQuiz();
diff --git a/Pages/Quizes/tests/button-9/script.js b/Pages/Quizes/tests/button-9/script.js
index c2d7ddf87..d0d68e323 100644
--- a/Pages/Quizes/tests/button-9/script.js
+++ b/Pages/Quizes/tests/button-9/script.js
@@ -221,5 +221,7 @@ const loadScore=()=>{
           temp.innerHTML = "Solutions" ;
           document.getElementsByClassName('solution-div')[0].appendChild(temp);
       }
-  
+        document.querySelector('.solution-button').addEventListener("click",()=>{
+          window.location.href = "solution.html";
+        })
     });
\ No newline at end of file
diff --git a/Pages/Quizes/tests/button-9/solution.html b/Pages/Quizes/tests/button-9/solution.html
new file mode 100644
index 000000000..abf27193b
--- /dev/null
+++ b/Pages/Quizes/tests/button-9/solution.html
@@ -0,0 +1,139 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Virtuo Learn</title>
+    <link rel="stylesheet" href="style.css">
+    <link rel="stylesheet" href="media-queries.css">
+    <link rel="icon" type="image/x-icon" href="../../../../assets/logo.png">
+</head>
+<body>
+    <!-- nav bar -->
+    <nav>
+      <div class="container main-nav flex">
+          <a href="../../../../index.html" class="company-logo">
+              <img src="./assets/asset 41.png" alt="company logo">
+          </a>
+          <div class="nav-links" id="nav-links">
+              <ul class="nav-menu">
+                  <li><a href="../../../../index.html" class="hover-link"> Home </a></li>
+                  <li><a href="../../../About-Us/index.html" class="hover-link">About Us</a></li>
+                  <li><a href="../../../Simulation/index.html" class="hover-link">Simulations</a></li>
+                  <li><a href="../../../3D-Visualizations/index.html" class="hover-link">3D Visualisations</a></li>
+                  <li><a href="../../../Quizes/index.html" class="hover-link">Quizes</a></li>
+                  <li><a href="../../../Videos/index.html" class="hover-link">Videos</a></li>
+                  <li><a href="../../../Doubt Engine/index.html" class="hover-link">Doubt Engine</a></li>
+              </ul>
+          </div>
+          <div class="hamburger">
+            <span class="bar"></span>
+            <span class="bar"></span>
+            <span class="bar"></span>
+          </div>
+      </div>
+  </nav>
+
+    <!-- header section -->
+    <header>
+      <div class="header">
+        <h1>Chemical Bonding </h1>
+      </div>
+    </header>
+    
+    <!-- Quiz section -->
+
+    <div class="quiz-wrapper">
+
+      <div class="quiz-container" id="quiz">
+      
+          <div class="quiz-header">
+              <div id="difficulty"></div>
+              <h2 id="question">Question is loading...</h2>
+      
+              <ul class="quiz-ul">
+              <li>
+              <input type="radio" name="answer" id="a" class="answer" disabled/>
+              <label for="a" id="a_text">Answer...</label>
+              </li>
+              <li>
+                  <input type="radio" name="answer" id="b" class="answer"disabled />
+                  <label for="b" id="b_text">Answer...</label>
+              </li>
+              <li>
+                  <input type="radio" name="answer" id="c" class="answer" disabled/>
+                  <label for="c" id="c_text">Answer...</label>
+              </li>
+              <li>
+                  <input type="radio" name="answer" id="d" class="answer" disabled/>
+                  <label for="d" id="d_text">Answer...</label>
+              </li>
+              <div class="">
+                <h3>
+
+                  Correct Answer
+            </h3>
+            <h4 id="answer">Answer</h4>
+        </div>
+        <div class="explanation">
+            <h3>Explanation</h3>
+            <p id="explanation">Explanation goes here...</p>
+        </div>
+             <button id="next">Next Question</button>
+              </div>
+          </div>
+      
+          </div>
+          <div class="result">
+              <div class="weak">
+                
+              <div class="text">
+      
+              </div>
+          </div>
+
+      </div>
+
+        <script  src="./solution.js"></script>
+
+    </div>
+    
+    <div class="solution-div">
+
+    </div>
+
+    <div class="recommendations">
+
+    </div>
+
+    <div >
+        <div class="recommendation-thumbnails">
+
+        </div>
+    </div>
+
+    <!-- footer -->
+    <footer>
+        <div class="footer-content">
+            <a href="#" class="company-logo footer-logo">
+                <img src="./assets/asset 41.png" alt="company logo">
+            </a>
+            <p>Developed By Jayesh Batra</p>
+        </div>
+    </footer>
+
+    <script src="https://kit.fontawesome.com/c1fc3d2826.js" crossorigin="anonymous"></script>
+
+    <script>
+      const hamburger = document.querySelector(".hamburger");
+      const navMenu = document.querySelector(".nav-menu");
+
+      hamburger.addEventListener("click", () => {
+        hamburger.classList.toggle("active");
+        navMenu.classList.toggle("active");
+      })
+    </script>
+
+</body>
+</html>
diff --git a/Pages/Quizes/tests/button-9/solution.js b/Pages/Quizes/tests/button-9/solution.js
new file mode 100644
index 000000000..670d14619
--- /dev/null
+++ b/Pages/Quizes/tests/button-9/solution.js
@@ -0,0 +1,172 @@
+const quizData = [
+    {
+      question: "What is the common ratio of the geometric sequence 3, 6, 12, 24, ...?",
+      a: "3",
+      b: "2",
+      c: "4",
+      d: "6",
+      correct: "b",
+      explanation: "In a geometric sequence, each term is obtained by multiplying the previous term by a constant factor called the common ratio. In this sequence, each term is obtained by multiplying the previous term by 2, so the common ratio is 2.",
+      topic: "Geometric Progression",
+      difficulty: "Easy",
+    },
+    {
+      question: "The product of three consecutive terms in an arithmetic series is 2310. If the common difference is 5, find the terms.",
+      a: "10, 15, 20",
+      b: "7, 12, 17",
+      c: "5, 10, 15",
+      d: "8, 13, 18",
+      correct: "b",
+      explanation: "Let the terms be (x - 5), x, (x + 5). The product of these terms is (x - 5) * x * (x + 5) = 2310. Solving this equation gives x = 12. So, the terms are 7, 12, and 17.",
+      topic: "Arithmetic Series",
+      difficulty: "Medium",
+    },
+    {
+      question: "If the sum of an infinite geometric series is 12 and the common ratio is 1/3, find the first term.",
+      a: "9",
+      b: "6",
+      c: "12",
+      d: "3",
+      correct: "a",
+      explanation: "The sum of an infinite geometric series is given by S = a / (1 - r), where 'a' is the first term and 'r' is the common ratio. Given S = 12 and r = 1/3, we can solve for 'a' to find the first term.",
+      topic: "Geometric Series",
+      difficulty: "Hard",
+    },
+    {
+      question: "If a + b + c = 15 and ab + bc + ca = 50, find the value of abc in the arithmetic progression.",
+      a: "40",
+      b: "45",
+      c: "50",
+      d: "55",
+      correct: "a",
+      explanation: "Using Vieta's formulas, we know that abc equals the constant term in the quadratic equation whose roots are a, b, and c. Given the sum and product of roots, we can form the equation x^3 - 15x^2 + 50x - abc = 0.",
+      topic: "Arithmetic Progression",
+      difficulty: "Hard",
+    },
+    {
+      question: "Determine the sum of the first 20 terms of the series: 4 + 8 + 12 + … + 80.",
+      a: "820",
+      b: "800",
+      c: "810",
+      d: "830",
+      correct: "c",
+      explanation: "This is an arithmetic sequence with a common difference of 4. We can use the formula for the sum of an arithmetic series to find the sum: S = (n/2)(first term + last term) = (20/2)(4 + 80) = 10 * 84 = 840.",
+      topic: "Sequence",
+      difficulty: "Easy",
+    },
+    {
+      question: "If the sum of an arithmetic series is 75, the first term is 3, and the common difference is 5, how many terms are there?",
+      a: "12",
+      b: "15",
+      c: "10",
+      d: "18",
+      correct: "a",
+      explanation: "We can use the formula for the sum of an arithmetic series: S = (n/2)(first term + last term). Given S = 75, first term = 3, and common difference = 5, we can solve for 'n' to find the number of terms.",
+      topic: "Arithmetic series",
+      difficulty: "Medium",
+    },
+    {
+      question: "If the sum of the first n terms of an arithmetic series is given by 𝑆𝑛 = 2𝑛^2 + 5𝑛, find the first term.",
+      a: "2",
+      b: "5",
+      c: "3",
+      d: "4",
+      correct: "c",
+      explanation: "The sum of an arithmetic series can be expressed as a quadratic function of 'n'. The coefficient of 'n^2' gives us half of the common difference, and the constant term gives us the first term.",
+      topic: "Arithmatic series",
+      difficulty: "Medium",
+    },
+    {
+      question: "Find the sum of the series 1 + 2/3 + 3/9 + 4/27 + … up to infinity.",
+      a: "3",
+      b: "4",
+      c: "5",
+      d: "6",
+      correct: "b",
+      explanation: "This is a geometric series with first term '1' and common ratio '2/3'. The sum of an infinite geometric series when |r| < 1 is given by S = a / (1 - r).",
+      topic: "Series",
+      difficulty: "Hard",
+    },
+    {
+      question: "The sum of the first n terms of an arithmetic series is given by 𝑆𝑛 = 2𝑛^2 + 3𝑛. Find the common difference.",
+      a: "2",
+      b: "3",
+      c: "5",
+      d: "4",
+      correct: "b",
+      explanation: "The sum of an arithmetic series can be expressed as a quadratic function of 'n'. The coefficient of 'n' gives us the common difference.",
+      topic: "Arithmatic series",
+      difficulty: "Medium",
+    },
+    {
+      question: "Evaluate the product of the first 8 terms in the geometric sequence: 2, 4, 8, 16, ...",
+      a: "16384",
+      b: "4096",
+      c: "8192",
+      d: "2048",
+      correct: "b",
+      explanation: "This is a geometric sequence with first term '2' and common ratio '2'. The product of the first 'n' terms of a geometric sequence is given by the first term raised to the power of 'n', multiplied by the ratio of the sum of the first 'n' terms and the first term.",
+      topic: "Geometric sequence",
+      difficulty: "Easy",
+    }
+  ];
+  
+    const quiz = document.getElementById("quiz");
+    const answerElements = document.querySelectorAll(".answer");
+    const questionElement = document.getElementById("question");
+    const a_text = document.getElementById("a_text");
+    const b_text = document.getElementById("b_text");
+    const c_text = document.getElementById("c_text");
+    const d_text = document.getElementById("d_text");
+    const submitButton = document.getElementById("submit");
+    const difficulty = document.getElementById("difficulty");
+    
+    let currentQuiz = 0;
+    let score = 0;
+    const weak_topics=[];
+    
+    const deselectAnswers = () => {
+      answerElements.forEach((answer) => (answer.checked = false));
+    };
+    
+    const getSelected = () => {
+      let answer;
+      answerElements.forEach((answerElement) => {
+        if (answerElement.checked) answer = answerElement.id;
+      });
+      return answer;
+    };
+    
+    const explanationElement = document.getElementById("explanation");
+  
+    const loadQuiz = () => {
+        deselectAnswers();
+        const currentQuizData = quizData[currentQuiz];
+        questionElement.innerText = currentQuizData.question;
+        a_text.innerText = currentQuizData.a;
+        b_text.innerText = currentQuizData.b;
+        c_text.innerText = currentQuizData.c;
+        d_text.innerText = currentQuizData.d;
+        difficulty.innerText = currentQuizData.difficulty;
+    
+        // Update explanation text
+        explanationElement.innerText = currentQuizData.explanation;
+    };
+    
+    loadQuiz();
+    
+    document.getElementById("answer").innerHTML = quizData[0].correct;
+  
+    let next_Button = document.getElementById("next");
+    next_Button.addEventListener("click", () => {
+      if (currentQuiz == 9) {
+        next_Button.disabled = true;
+      } else {
+        currentQuiz++;
+        console.log(currentQuiz);
+    
+        next_Button.disabled = false;
+        document.getElementById("answer").innerHTML = quizData[currentQuiz].correct;
+        loadQuiz();
+      }
+    });
\ No newline at end of file