Question

Can somebody plz answer both questions correct!!! Only answer in 1-2 sentences.. that’s fine :)

Answer 1

Answer:

a chemical change is usually an irreversible chemical reaction. an example of this is rusting.

a physical change is usually visible while a chemical change isn't. also, a chemical change is irreversible while a physical change is.

Explanation:

Answer 2

1. A chemical change is a change in the arrangement of the atoms of one or more substances and a change in their composition or properties. Example: the formation of rust on iron

2. With a physical change no new substance is produced only a change in size, shape, color or state of the matter.