Question

diffrentiate between pysical and chemical change

Answer 1

PHYSICAL CHANGE
Physical change refers to a change in which the molecules are rearranged but their internal composition remains same.
Example- Tearing of paper, melting/freezing of water, cutting of trees, etc.
Nature :- Reversible

CHEMICAL CHANGE
Chemical Change is a process in which the substance transforms into a new substance, having different chemical composition.
Example -Burning of wood/trees/paper, rusting of iron, setting of curd, etc.
Nature:- Irreversible

Answer 2

Hello mate here is your answer.
$PHYSICAL \: CHANGE -$
A change in which no new substances are formed and which can be reversed by reversing the conditions.It is always reversible.
Example-Melting of ice.
$CHEMICAL \: CHANGE -$
A change in which new substances are formed and which cannot be reversed by reversing the conditions.It is always irreversible.
Example-Burning of paper.

Hope it helps.

PLEASE MARK AS BRAINLIST.