Question

The process of boiling and evaporation are physical changes . Why?​

Answer 1

Answer:

As they can be brought back to its original form hence they come under physical changes.

Answer 2

Answer:-

"The process of boiling and evaporation are physical changes".

Justification:-

• Physical changes are the changes in which a substance which is changed can be reversed and no new substance is formed.
• Since the process of boiling and evaporation can be reversed and no new substance is formed, we call it as a physical change.
• H₂0 particles are same in steam or in vapour.