Question

true false
a. All physical changes are reversible in nature.

b. Boiling of a potato is a chemical change.

c. Metals expand on cooling.

d. . Application of heat can lead to both physical and chemical changes

e. During a physical change, the identity of matter undergoes a change.​

Answer 1

Answer:

false . irreversible

false .physical change

true .

true

Answer 2

Answer:

1). True

2). True

3).False

4). False

5). False