Question

what is combustion...​

Answer 1

Explanation:

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. Combustion in a fire produces a flame, and the heat produced can make combustion self-sustaining. 

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Answer 2

$\huge\red{Heya Dost}$

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Combustion

~ Combustion is process of burning of any substance in the presence of oxygen.