Question

A physical change is always a reversible change. What does that mean?

Answer 1

Answer:

Because in a physical change change no new substance is formed....and it can reversed also.

And reversible change is same like physical change.

Answer 2

Physical change does not change the chemical property of a substance under such a condition we can bring back the substance to its actual form .
For example,the conversion of ice to water and water to ice without changing its chemical properties it is being converted to a new form