Question Paper
Class / Subject: Class 6 (ICSE) · Science
Chapter: Chapter 9 — Chapter 9: Physical and Chemical Changes
Time Allowed: 32 minutes
Max Marks: 16
1. What is a physical change? [1]
(A) A change in form without changing composition
(B) A change creating a new substance
(C) No change at all
(D) A change in colour only
2. What is an example of a physical change? [1]
(A) Melting ice
(B) Burning wood
(C) Rusting iron
(D) Baking a cake
3. What is a chemical change? [1]
(A) A change creating a new substance
(B) A change in form only
(C) No change at all
(D) Only a colour change
4. What is an example of a chemical change? [1]
(A) Burning wood
(B) Melting ice
(C) Tearing paper
(D) Cutting a fruit
5. What is a sign of a chemical change? [1]
(A) Colour change or gas production
(B) No signs exist
(C) Only size change
(D) Only weight change
6. Does rusting create a new substance? [1]
(A) Yes
(B) No, it's just a shape change
(C) Rusting doesn't happen
(D) Rusting is reversible easily
7. Can a physical change be reversed? [1]
(A) Often, yes
(B) Never
(C) Always chemically
(D) It's the same as a chemical change
8. Why understand these changes? [1]
(A) To predict and explain substance behaviour
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is a physical change? [1]
(A) A change in form without changing composition
(B) A change creating a new substance
(C) No change at all
(D) A change in colour only
10. What is an example of a physical change? [1]
(A) Melting ice
(B) Burning wood
(C) Rusting iron
(D) Baking a cake
11. What is a chemical change? [1]
(A) A change creating a new substance
(B) A change in form only
(C) No change at all
(D) Only a colour change
12. What is an example of a chemical change? [1]
(A) Burning wood
(B) Melting ice
(C) Tearing paper
(D) Cutting a fruit
13. What is a sign of a chemical change? [1]
(A) Colour change or gas production
(B) No signs exist
(C) Only size change
(D) Only weight change
14. Does rusting create a new substance? [1]
(A) Yes
(B) No, it's just a shape change
(C) Rusting doesn't happen
(D) Rusting is reversible easily
15. Can a physical change be reversed? [1]
(A) Often, yes
(B) Never
(C) Always chemically
(D) It's the same as a chemical change
16. Why understand these changes? [1]
(A) To predict and explain substance behaviour
(B) No reason
(C) It's not useful
(D) Only for tests