Question

Explian that physical change are mostly reversible change but can be also irreversible by giving an example of each?​

Answer 1

Answer:

For example, tearing of a paper. When a paper is torn, the size and the shape of the paper changes, but the molecules of the paper remains the same. Since, no new molecules are formed, tearing paper is a physical change. ... Thus, the physical change is irreversible.

Explanation: