Question

are all physical changes reversible if not give two example​

Answer 1

All physical changes are reversible and few of them are non reversible like example of breaking of glass and tearing a paper into pieces. we can't bring pieces of glass or pieces of paper together to form it again

Answer 2

heya mate

here is ur answer

Most of the Physical Changes are Reversible .....few are irreversible

Ex : Burning of Wood and Rotting of food