This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 6 Changes Around Us – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 6 Changes Around Us Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. While making vegetable salad Meena had cut a variety of raw vegetables. She mistakenly cut apples as well. As the apples cannot be joined together, this change is ..... A) Reversible change. B) Irreversible change. C) Natural change. D) Periodic change. Show Answer Correct Answer: B) Irreversible change. 2. While lighting a candle, Paheli observed the following changes (i) Wax was melting. (ii) Candle was burning. (iii) Size of the candle was reducing. (iv) Melted wax was getting solidified. Of the above, the changes that can be reversed are A) (i) and (ii). B) (ii) and (iii). C) (iii) and (iv). D) (i) and (iv). Show Answer Correct Answer: D) (i) and (iv). 3. ..... changes are usually impossible to reverse A) Chemical Changes. B) Physical Changes. C) Both. D) None of the above. Show Answer Correct Answer: A) Chemical Changes. 4. Mrs. Aggarwal accidentally mixed oil in water while working in kitchen. Which method can be used to separate oil and water. A) Distillation. B) Centrifugation. C) Evaporation. D) Separating funnel. Show Answer Correct Answer: D) Separating funnel. 5. Growth is a change that cannot be reversed. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Straight spring to a coiled string, is this reversible or not? A) Yes. B) No. C) None. D) None of the above. Show Answer Correct Answer: A) Yes. 7. Changes that lead to the formation of new substances are called ..... A) Physical change. B) Chemical change. C) All the above. D) None of the above. Show Answer Correct Answer: B) Chemical change. 8. Which among the following is an irreversible change? A) Melting of ice. B) Formation of flower from bud. C) Heating of milk. D) Kicking a football. Show Answer Correct Answer: B) Formation of flower from bud. 9. Change in state of matter is a/an ..... physical change. A) Reversible. B) Irreversible. C) Fast. D) Exothermic. Show Answer Correct Answer: A) Reversible. 10. In general, on heating metals A) Contract. B) Expand. C) Can expand or contract. D) None of these. Show Answer Correct Answer: B) Expand. 11. Great belt bridge in Denmark expands ..... m in summer. A) 5.7. B) 7.4. C) 4.7. D) 7.5. Show Answer Correct Answer: C) 4.7. 12. Blooming of a flower is A) Physical change. B) Chemical change. C) Man made change. D) Natural change. E) Natural change. Show Answer Correct Answer: D) Natural change. 13. Rolling of chapathi and baking of chapathi are the changes that, A) Can be reversed. B) Cannot be reversed. C) Can be reversed and cannot be reversed. D) Cannot be reversed and can be reversed. Show Answer Correct Answer: C) Can be reversed and cannot be reversed. 14. Give a example of physical change A) Kicking a football. B) Burning a paper. C) Growth of animals and plants. D) Cooking. Show Answer Correct Answer: A) Kicking a football. 15. Which of these is an irreversible physical change? A) Burning of paper. B) Baking. C) Cutting of wood. D) None of the above. Show Answer Correct Answer: C) Cutting of wood. 16. Which of the following is an example of a physical change? A) The cooking of food. B) Burning of wood. C) The melting of ice candy. D) The ripening of a mango. E) Making of Fossils. Show Answer Correct Answer: C) The melting of ice candy. 17. The change of day and night is caused by A) Sun. B) Rotation of the earth. C) Stars. D) Moon. Show Answer Correct Answer: B) Rotation of the earth. 18. Preeti decided to make lemon juice. What could be the solvent? A) Lemon drops. B) Water. C) Sugar. D) Salt. Show Answer Correct Answer: B) Water. 19. The process where the liquid changing in to solid is called ..... A) Evaporation. B) Condensation. C) Freezing. D) None of the above. Show Answer Correct Answer: C) Freezing. 20. Folding of a paper is a ..... change A) Physical. B) Chemical. C) All the above. D) None of the above. Show Answer Correct Answer: A) Physical. 21. Can you obtain wood from sawdust? A) No. B) Yes. C) I don't know. D) None of these. Show Answer Correct Answer: A) No. 22. When water is heated at its boiling point in it changes into vapour, and water vapor can back again into water by condensation is called ..... A) Chemical changes. B) Physical changes. C) Reversible changes. D) Periodic changes. Show Answer Correct Answer: C) Reversible changes. 23. Cooking of vegetables is a ..... change A) Reversible. B) Non-reversible. C) All the above. D) None of the above. Show Answer Correct Answer: B) Non-reversible. 24. MELTING OF WATER IS A A) PHYSICAL CHANGE. B) CHEMICAL CHANGE. C) IRREVERSIBLE CHANGE. D) NONE OF THESE. Show Answer Correct Answer: C) IRREVERSIBLE CHANGE. 25. Wet clothes to dirty clothes can we reverse it? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. ← PreviousNext →Related 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 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 10Class 6 Science Chapter 6 Changes Around Us Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books