Question

define combistion reaction​

Answer 1

Explanation:

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.

Answer 2

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A combustion reaction is a major class ofchemical reactions, commonly referred to as "burning." Combustion usually occurs when a hydrocarbon reacts with oxygen to produce carbon dioxide and water