Question

What is combustion?
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Answer 1

Answer:

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

Answer:

Combustion or buring , is a high temperature exothermic redux chemical reaction between a fuel and an oxidant , usually atmospheric oxygen , that produces oxidized , often gaseous products in a mixture turned as smoke