Question

2. Explain why, explosion of a firework (such as cracker) is said to be a chemical change.

Answer 1

Because it cannot be reversed and brought back to the original state.

Answer 2

Hey friend here is your answer


Bursting of a cracker is a chemical change as when we burn a cracker , it bursts and ashes are left behind . After bursting it you can't retrieve the actual reactant .
And a new substance ( ash) is produce with entirely different properties .

Thus it's a chemical change


Hope it helps

Pls mark brainliest