Question

Explosion of crackers is a chemical change Explain

Answer 1

Explosion of a Cracker is a  chemical change .
Reason:

 ⇒In chemical change , chemical properties of substances are changed and a new substances are formed.

⇒Explosive reactants[like nitrogen, carbon,sulphur etc] are transformed into gaseous products[like NO2,Co2,SO2] which are different from reactants along with liberation of heat, light and sound energy .

⇒And this change cannot be reversed .
Hence it is a chemical change

Answer 2

Explanation:

Explosion of a cracker is a chemical change because the explosive reactants are transformed into gaseous products along with heat, light and sound which cannot be reversed. Hence, it is a chemical change