Question

4. A physical change is
always reversible
always irreversible
b. usually reversible
d. always desirable​

Answer 1

Answer:

always reversible

Explanation:

PLEASE DO MARK IT AS BRAINLIEST ANSWER

Answer 2

Answer:

It is always reversible

Explanation:

Physical changes occur when objects or substances undergo a change that does not change their chemical composition. ... In general a physical change is reversible using physical means. For example, salt dissolved in water can be recovered by allowing the water to evaporate.

Mark me brainliest