Question

What is combustion?Define clearly​

Answer 1

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The chemical process in which a substance burns in air, or oxygen, with the release of heat and light energy is called combustion.

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Answer 2

Answer:

Combustion refers to the process where a substance burns in the presence of Oxygen, giving off heat and light in the process. You might have heard that certain substances are combustible whereas some are non-combustible. Combustible substances are simply those that undergo this process.