Question

Combustion of a substance releases heat and _​

Answer 1

Explanation:

Air or oxygen which helps in burning is called supporter of combustion and the chemical reaction which takes place with the release of heat and light energy is called combustion. A chemical process in which a substance reacts with oxygen to give off heat is called combustion

Answer 2

Answer:

Air or oxygen which helps in burning is called supporter of combustion and the chemical reaction which takes place with the release of heat and light energy is called combustion. A chemical process in which a substance reacts with oxygen to give off heat is called combustion.