Question

characteristics of physical changes

Answer 1

Answer:

1) A physical change is temporary and is usually reversible.

2) No new substances are formed during a physical change.

3) There is no change in mass of the substance during a physical change.

4) There is no net absorption or release of energy during a physical change.

Answer 2

Answer:

A physical change is a change to the physical - as opposed to chemical - properties of a substance . they are usually reversible .the physical properties of a substance include such characters shapes, texture, color, density, mass or flexibility.