Question

Why hydrozen peroxide is used insted of potasum chlorade?

Answer 1

it's certainly easier to collect Oxygen from the decomposition of hydrogen peroxide at the room temperature. A dollar bottle of peroxide from the grocery store can be catalyzed into decomposition with various substances...

Pottassium chlorate is more expensive, more hazardous to store and decomposes under heat as a liquid, a reaction that can be violent if oxidizable materials are nearby....