Question

4. It is a reversible change
(a) Melting of ice
(c) Folding a piece of paper
(b) Freezing of water
(d) All of these​

Answer 1

Answer:

Your answer is option (d) that is All of these.

Answer 2

Answer:

The Answer is Option (d).

Explanation:

Melting of ice ,Folding a piece of paper and Freezing of water are the reversible changes.so Option D is correct.