Question

3 Writetwo differences between physical and chemical change.​

Answer 1

Answer:

The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition.

Answer 2

Answer:

physical changes are reversible and no new substance are formed

chemical changes are irreversible and new substance are formed.