Question

What are the characteristics of physical changes?

Answer 1

Answer:

these changes takes place in the physical characterestics like density, area etc...

but the volume of all the phases remains constant for example solid to liquid

Answer 2

Answer:

characteristics of physical changes                                                          

Explanation:

1. no new substance is formed and composition of original substance  remain unchanged.                                                                                                      
2. temporary and reversible
3. no change in the mass of the substance undergoing a physical change
4. not significant