9th Class Chemistry Chapter 5 Online Test (English Medium)

Welcome to the 9th class chemistry chapter 5 online test, specifically designed for English medium students. Chapter 5, “Physical States of Matter,” deals with the macroscopic properties of gases, liquids, and solids. This chapter introduces critical concepts such as diffusion, effusion, and pressure in gases, alongside foundational gas laws including Boyle’s Law and Charles’s Law. Students will also explore the distinct properties of liquids (like vapor pressure and boiling point) and the structural differences between amorphous and crystalline solids.

To help you secure maximum marks in your board exams, we have structured this English medium online test to include all the important concepts, specifically focusing on gas laws and allotropy, which are frequent targets in the objective portion of past papers.

By attempting this 9th chemistry chapter 5 online test, you can easily evaluate your exam readiness completely free of cost. Whether you are studying under the Lahore Board, Gujranwala Board, Rawalpindi Board, Multan Board, or any other Punjab Educational Board, these MCQs are designed strictly according to the latest English medium pairing scheme and syllabus. Once you submit the quiz, you will immediately see your result, helping you identify mistakes and improve your weak areas. Start your MCQ test below and boost your confidence for the final chemistry paper!

Topics Included in this Quiz:

  • Typical Properties of Gases (Diffusion, Effusion, Pressure, Compressibility)

  • Gas Laws (Boyle’s Law, Charles’s Law)

  • Physical States of Liquids (Evaporation, Vapor Pressure, Boiling Point, Freezing Point)

  • Solid State (Amorphous and Crystalline Solids)

  • Allotropy

9TH CHEMISTRY ONLINE TEST

9TH CHEMISTRY CHAPTER 5

📋 Online Test Guidelines

  • 📘 Test Type: MCQs (43 Questions | 43 Marks)
  • ⏱️ Time Allowed: 1 minute per question
  • 🔀 Shuffle Mode: Questions are randomized every time you start.
  • ⚠️ No Skipping: You must answer every question to proceed.
  • Submission: Once you finish the test, click See Results.

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1) The primary storage form of glucose is:

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2) The purpose of respiration is to:

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3) Glycolysis, the initial step of respiration, occurs in:

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4) During glycolysis, one molecule of glucose splits into:

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5) During glycolysis, which molecule breaks down?

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6) Which of the following is a product of aerobic respiration?

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7) During glycolysis, net ATP produced are:

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8) Aerobic respiration releases ...... energy than anaerobic respiration:

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9) Which is released in anaerobic respiration?

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10) ...... acts as reserve energy sources:

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11) Which is not produced in aerobic respiration?

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12) What are the products of anaerobic respiration?

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13) In a chemical reaction, the substance that is used up is called:

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14) A catalyst does what to the activation energy of reactions?

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15) Which of the following factors does not affect the rate of chemical reactions?

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16) The minimum amount of energy required for a reaction to occur is called:

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17) ...... acts as a catalyst promoting the breakdown of ozone:

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18) ...... of energy used by a traditional electric bulb is wasted in producing heat:

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19) Washing clothes at 30°C uses almost ...... the energy as at 60°C wash:

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20) No reaction occurs if the energy of reacting particles is ...... activation energy:

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21) Activation energy of a chemical reaction must be ...... the average kinetic energy of reacting molecules:

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22) Which reaction do you expect to be a reversible reaction?

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23) Which of the following reactions has the least value of activation energy?

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24) The following reaction is exothermic: H₂ + Cl₂ → 2HCl. From where does the energy come to break the bonds of H₂ and Cl₂?

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25) The enthalpy of reaction C + O₂ → CO₂ is:

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26) Formation of which hydrogen halide from the elements is an endothermic reaction?

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27) When fuel burns, it releases heat. This process is:

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28) Which of the following is a unit of enthalpy?

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29) Under which conditions is standard enthalpy measured?

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30) Enthalpy of a system is represented by:

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31) The total heat content of a body is called:

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32) The average bond dissociation energy for the C-H bond is 412 kJ mol⁻¹. Which of the following processes will have enthalpy change close to 412 kJ mol⁻¹?

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33) A reaction in which heat is absorbed is called:

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34) A reaction which is accompanied by the evolution of heat is called:

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35) The energy which is released when a bond is formed and absorbed when it is broken is called:

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36) Which of the following best defines a system in thermodynamics?

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37) In which form is the energy stored in a molecule?

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38) The part of the universe that we want to focus our attention on is called:

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39) The word energy was used in physics for the first time in:

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40) Who used the word energy for the first time?

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41) All chemical reactions involve:

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42) When new bonds are formed, the energy is:

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43) When old bonds are broken, the energy is:

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