This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 5 Physical And Chemical Changes – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 5 Physical And Chemical Changes Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. While completing a science experiment, James notices that he has created a new substance. What type of change took place? A) Chemical change. B) Physical change. C) No change. D) Increase in mass. Show Answer Correct Answer: A) Chemical change. 2. Properties that can be measured or observed without matter changing to an entirely different substance. A) Chemical Properties of Matter. B) Physical Properties of Matter. C) Physical Change. D) Chemical Change. Show Answer Correct Answer: B) Physical Properties of Matter. 3. Evaporation A) Chemical Change. B) Physical Change. C) All the above. D) None of the above. Show Answer Correct Answer: B) Physical Change. 4. What happens in a physical change that distinguishes it from a chemical change? A) In a physical change no new substances are produced. B) The substance will change into a new substance but return back to the original substance eventually in a physical change. C) A completely new substance forms in a physical change. D) In a physical change a new substance is produced as a clone of the original substance. Show Answer Correct Answer: A) In a physical change no new substances are produced. 5. During a chemical change new products are formed. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Baking cookies A) Physical change. B) Chemical change. C) All the above. D) None of the above. Show Answer Correct Answer: B) Chemical change. 7. Phase changes in matter are reversible processes. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 8. What change does not change the substance? A) Chemical change. B) Physical change. C) All the above. D) None of the above. Show Answer Correct Answer: B) Physical change. 9. Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is- A) A gas at room temperature. B) Made of two different elements. C) Given off by green plants. D) None of the above. Show Answer Correct Answer: B) Made of two different elements. 10. State of matter that takes the shape of the container it is in, molecules are able to slide past one another. A) Solid. B) Liquid. C) Gas. D) Plasma. Show Answer Correct Answer: B) Liquid. 11. Putting a bunch of fruit into a fruit bowl (fruit salad) A) Chemical. B) Physical. C) All the above. D) None of the above. Show Answer Correct Answer: B) Physical. 12. Which of the following is NOT an indicator of chemical changes? A) Unexpected color change. B) Dissolving. C) Light production. D) Gas formation. Show Answer Correct Answer: B) Dissolving. 13. Is hammering wood together to build a house a chemical or physical change? A) Chemical. B) Physical. C) All the above. D) None of the above. Show Answer Correct Answer: B) Physical. 14. What does it mean when there is a physical change? A) Matter has changed from one substance into another. B) Matter has changed on the molecular level. C) A new substance has been formed. D) Matter has changed size, shape or form. Show Answer Correct Answer: D) Matter has changed size, shape or form. 15. During a chemical reaction, which of the following is true? A) The total mass of the reactants is equal to the total mass of the products. B) The total mass of the reactants is greater than the total mass of the products. C) The total mass of the reactants is less than the total mass of the products. D) Mass is not conserved. Show Answer Correct Answer: A) The total mass of the reactants is equal to the total mass of the products. 16. What happens to the weight of matter when it undergoes chemical changes? A) It stays the same. B) It increases. C) It decreases. D) None of the above. Show Answer Correct Answer: A) It stays the same. 17. Iron gate if not painted gets rusted due to the presence of mosture and air A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Which of the following is not an indication of chemical change? A) Change in colour. B) Change in shape. C) Change in temperature. D) Change in odour. Show Answer Correct Answer: B) Change in shape. 19. Flammability is a ..... A) Physical Property. B) Physical Change. C) Chemical Property. D) Chemical Change. Show Answer Correct Answer: C) Chemical Property. 20. All of the following are evidences of a chemical change except- A) A change in temperature. B) The production of a gas. C) A change in state of matter. D) An odor being given off. Show Answer Correct Answer: C) A change in state of matter. 21. Which of the following examples is a physical change but NOT a change of state of matter? A) Logs burning. B) Water freezing into ice cubes. C) Candle wax melting. D) Paper being cut. Show Answer Correct Answer: D) Paper being cut. 22. The change in state from a solid to a liquid is called melting. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. Which of these choices describes a chemical property? A) Flexibility. B) Boiling point. C) Reactivity with water. D) Electrical conductivity. Show Answer Correct Answer: C) Reactivity with water. 24. Which of the following indicates a chemical change? A) Change in state of matter. B) Temperature change. C) Change in shape. D) Inflating a balloon. Show Answer Correct Answer: B) Temperature change. 25. Which of the following is evidence of a physical change? A) New substance. B) Shape change. C) Light produced. D) Gas released. Show Answer Correct Answer: B) Shape change. ← PreviousNext →Related QuizzesClass 7 Science Chapter 5 Physical And Chemical Changes Quiz 1Class 7 Science Chapter 5 Physical And Chemical Changes Quiz 2Class 7 Science Chapter 5 Physical And Chemical Changes Quiz 3Class 7 Science Chapter 5 Physical And Chemical Changes Quiz 4Class 7 Science Chapter 5 Physical And Chemical Changes Quiz 5Class 7 Science Chapter 5 Physical And Chemical Changes Quiz 6Class 7 Science Chapter 5 Physical And Chemical Changes Quiz 7Class 7 Science Chapter 5 Physical And Chemical Changes Quiz 8Class 7 Science Chapter 5 Physical And Chemical Changes Quiz 9Class 7 Science Chapter 5 Physical And Chemical Changes Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books