Question

F. Differentiate between. (3 points)
1. Physical and chemical changes​

Answer 1

[tex][/tex] Differentiate between physical or chemical changes.

Physical Change

1. When a substance undergoes a physical change, its composition remains the same despite its molecules being rearranged.
2. Physical change is a temporary change.
3. A physical change involves very little to no absorption of energy.

Chemical Change

1. When a substance undergoes a chemical change, its molecular composition is changed entirely. Thus, chemical changes involve the formation of new substances.
2. A chemical change is a permanent change.
3. During a chemical reaction, absorption and evolution of energy take place.