Question

what is physical change? write any two examples

Answer 1

A process in which a substance changes its physical state but there is no change in its basic chemical composition is known as physical change A physical is reversible.
For example,
-melting of wax
-melting of ice
-boiling of water

Answer 2

A change in which there is no new substance are formed is known as physical change ..

example - melting of ice

draying of clothes .