Question

What is 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, 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.

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Answer 2

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⚡Combustion refers to the process where a substance burns in the presence of Oxygen, giving off heat and light in the process.

⚡ It is the spontaneity with which substances react with Oxygen which defines a reaction.