Question

I. Choose the correct answer:

1. Pick the change that can be reversed from the following.

a) Cutting of trees b) Melting of ghee c) Burning of candle

2. Which of the following changes cannot be reversed?

a) Hardening of cement b) Freezing of ice cream

c) Opening a door

3. An iron ring is heated –which of the following statements about it is

incorrect?

a) The ring expands b) The change in this case is reversed

c) The ring changes its shape and the change cannot be reversed​

Answer 1

Answer:

1. b

2. a

3. c

Explanation:

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Answer 2

Answer:

1ans is a,2-a ,3-a

Explanation:

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