Question

write two points of difference between a chemical change and a physical change.​

Answer 1

Explanation:

Physical changes refer to such changes in the material when the mass of the substance and the internal arrangement of the molecules and atoms remains same, even after the reaction.

On the contrary, when changes involve the formation of the new substance from the original substance is called a chemical change

Answer 2

Answer:

difference: physical change

1. Physical change is reversible change.
2. There is no loss of mass in physical change.

Explanation:

Chemical change

1. Chemical change is irreversible change.
2. loss of mass in chemical change.