Physical change is a change where physical property of a substance change. Like shape, size etc...
It is temporary and reversible I.e the change can be undone by simple physical methods.
It does not involves any energy.
No new substance is formed.
While the chemical change is a change in which the chemical properties of a substance change. Like smell etc..including it’s composition.
Also it is permanent and irreversible.
It involves absorption and production of energy.
New substance is formed.
Hope it helped you.
