Question

what is combustion?
what is non-combustion ​

Answer 1

Answer:

Combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.combustion reaction is a major class of chemicalreactions, commonly referred to as "burning."Combustion usually occurs when a hydrocarbon reacts with oxygen to produce carbon dioxide and water. ...Combustion doesn't always result in fire, but when it does, a flame is a characteristic indicator of the reaction.

the act or process of burning. Chemistry. rapid oxidation accompanied by heat and, usually, light. chemical combination attended by production of heat and light. slow oxidation not accompanied by high temperature and light.

Answer 2

A chemical process in which a substance reacts with oxygen to give heat and light is called combustion.

The substances which do not burn are called non combustible substances.