Question

Why does a cracker explodes when catches fire but a piece of paper doesn’t?​

Answer 1

Answer:

Explanation:The ignition of crackers results in a big explosion with the release of heat and light by the sudden reaction with the atmospheric oxygen which results in the increase of pressure inside the cracker and due to this explosion takes place.

There are chemicals in crackers that make the explosion happen when contacted to fire. while paper does not explode when contacted to fire.

Answer 2

Answer:

Explanation:-

Answer No we cannot burn a piece of wood by bringing a lighted matchstick near it. When a lighted matchstick is brought near a piece of wood it does not start burning because the ignition temperature of the wood is higher than a piece of paper.