Question

Define a physical change and a chemical change . Give two examples of each ?

Answer 1

Answer:A physical change is a change involving structural unit of a substance while chemical change involves the change in chemical components of a substance.

Explanation:

Answer 2

A chemical change produces a new substance, while a physical change does not. A material may change shapes or forms while undergoing a physical change, but no chemical reactions occur and no new compounds are produced.

Examples of chemical changes are burning, cooking, rusting, and rotting.

Examples of physical changes are boiling, melting, freezing, and shredding.

Hope it helps to you dear!!!