Question

what is combustion?????? ​

Answer 1

Answer:

Combustion is usually a chemical reaction between chemical substances. It's practically any substance that reacts with oxygen to cause a fire. For example, wood and paper or charcoal.

Hope this helps

Answer 2

Answer:

Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.