Question

Some changes are given below.

(a) Freezing of water

(b) Melting of ice

(c) Boiling of water

Are these considered as physical changes? If yes, give the reason.

Answer 1

Yes, Freezing of water, melting ice and boiling water are physical changes. During a physical change, only a change in shape, size, or arrangement can take place. So, no new substance forms in the mentioned changes and hence it is a physical change.