Question

state one basic difference between a physical change and chemical change.

Answer 1

Physical changes may be reversible while chemical changes are generally irreversible

Answer 2

Answer:

PHYSICAL CHANGES

- The chemical composition of a substance does not change.

- Change is only in the state of matter and not in the chemical identity.

 CHEMICAL CHANGES

- The chemical composition of a substance changes.

- Change is in chemical identity, but may or may not be in the state of matter.