This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 6 Changes Around Us – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 6 Changes Around Us Quiz 19 (18 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Formation of an image on a photographic film is change ..... causes this change. A) Heat. B) Electricity. C) Light. D) Force. Show Answer Correct Answer: B) Electricity. 2. Which among the following is a reversible change A) Baking of cake. B) Elongation of rubber band. C) Digestion of food. D) Cutting of forest. Show Answer Correct Answer: B) Elongation of rubber band. 3. Melting is a process when- A) Water changes into ice. B) Ice changes into water. C) Water changes into vapours. D) Ice changes into vapours. Show Answer Correct Answer: B) Ice changes into water. 4. The process of converting solid directly into gas is known as ..... A) Condensation. B) Sublimation. C) Melting. D) Evaporation. Show Answer Correct Answer: B) Sublimation. 5. The process where water changes to vapour after heating. A) Melting. B) Contracting. C) Evaporation. D) Condansation. Show Answer Correct Answer: D) Condansation. 6. When a bud changes into a flower it undergoes: A) A chemical change. B) An irreversible change. C) A permanent change. D) All of the above. Show Answer Correct Answer: D) All of the above. 7. What is chemical change A) Irreversible change. B) Reversible change. C) All the above. D) None of the above. Show Answer Correct Answer: A) Irreversible change. 8. In a chemical reaction, the initial substances which react with each other to form new substances are called ..... A) Reactants. B) Products. C) All the above. D) None of the above. Show Answer Correct Answer: A) Reactants. 9. There are slow and fast changes. Some changes take long time to occur. The example of fast changes is ..... A) Burning of paper. B) Rusting of iron. C) Milk into curd. D) Water into ice. Show Answer Correct Answer: A) Burning of paper. 10. For example you have drawn a picture on a piece of paper using crayons. This change on the piece of paper is reversible, right? A) No. B) Yes. C) All the above. D) None of the above. Show Answer Correct Answer: A) No. 11. Is heating sugar to make caramel a reversible or irreversible change? A) Reversible. B) Irreversible. C) All the above. D) None of the above. Show Answer Correct Answer: B) Irreversible. 12. Cooking of rice is physical change A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. What type of Change is Rusting Of Iron A) Irreversible. B) Physical. C) Periodic. D) All of these. Show Answer Correct Answer: A) Irreversible. 14. Cooking of rice is a ..... change. A) Chemical. B) Physical. C) All the above. D) None of the above. Show Answer Correct Answer: A) Chemical. 15. WHICH CHANGES ARE PARTIALLY SIMILAR A) PHYSICAL AND REVERSIBLE. B) PHYSICAL AND IRREVERSIBLE. C) REVERSIBLE AND IRREVERSIBLE. D) NONE OF THESE. Show Answer Correct Answer: B) PHYSICAL AND IRREVERSIBLE. 16. Bending of iron rod is A) Reversible. B) Irreversible. C) Chemical. D) Phyical. Show Answer Correct Answer: A) Reversible. 17. The change that take place in a longer duration of time are called as A) Fast change. B) Reversible change. C) Chemical change. D) Slow change. Show Answer Correct Answer: D) Slow change. 18. Increase in the volume of substances on heating. A) Extension. B) Expansion. C) Exclusion. D) None of the above. Show Answer Correct Answer: B) Expansion. ← PreviousRelated QuizzesClass 6 Science Chapter 6 Changes Around Us Quiz 1Class 6 Science Chapter 6 Changes Around Us Quiz 2Class 6 Science Chapter 6 Changes Around Us Quiz 3Class 6 Science Chapter 6 Changes Around Us Quiz 4Class 6 Science Chapter 6 Changes Around Us Quiz 5Class 6 Science Chapter 6 Changes Around Us Quiz 6Class 6 Science Chapter 6 Changes Around Us Quiz 7Class 6 Science Chapter 6 Changes Around Us Quiz 8Class 6 Science Chapter 6 Changes Around Us Quiz 9Class 6 Science Chapter 6 Changes Around Us Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books