Question

explosion of a firecracker is a physical change or chemical change​

Answer 1

Answer:

Hey mate,

Here is your answer:

Explosion of Firecracker is a chemical change.

Explanation:

The explosion of firecracker is a chemical change because sound, heat, odor, and light is produced in the reaction.

Answer 2

Answer:

It is chemical change because substances are changed into other different substances and they can't get to us by reversable process.