Question

Distinguish between a physical and a chemical change.

Answer 1

chemical change gives a new product..
whereas ..
physical change does not give any product...
hope it will help you

Answer 2

Physical change is when a substance can be reversible like ice as it melts it can be put back into ice so no new product is formed
For chemical change a substance produces a new product like egg when we pose it, it is not possible to make it raw a again so a new product is formed, while chemical change 3 things take place:
First: heat energy is produced
Second: heat is given of
Third: there’s a change in Color