Question
Give reasons.
The processes of boiling and evaporation are physical changes.

Answer

Process of boiling and evaporation involves the change of state from liquid to gaseous. Only the physical state of substance changes. Chemical composition of the substance does not change. No new substance is formed and this process can be reversed by condensation.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free