Question

What are the properties of physical and chemical changes ?​

Answer 1

Answer:

Physical Change Chemical Change

Physical change is easily reversible i.e original substance can be recovered. Chemical changes are irreversible i.e. original substance cannot be recovered

Answer 2

Answer:

Properties of chemical change:

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

(b) Physical changes can be generally reversed.

(c)There is no change in weight during a physical change.

(d)Only a little heat is absorbed aur given off during a physical change.

Properties of chemical change:

(a) when a chemical change occurs,new substances with entirely new properties are formed.

(b) A chemical change cannot be easily reversed.

(c)There is usually an apparent change in weight during a chemical change.

(d)A lot of heat energy is usually absorbed or given out during a chemical change.