Combustion is any exothermic reaction?

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jd12345
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What is combustion - is it any reaction that produces energy? Or is it an exothermic reaction involving oxygen?
 
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jd12345 said:
What is combustion - is it any reaction that produces energy? Or is it an exothermic reaction involving oxygen?

Always remember : Combustion is an exothermic and oxidation reaction. http://en.wikipedia.org/wiki/Combustion

Every combustion is an oxidation reaction but every oxidation is not a combustion.

Example : Rusting of iron is oxidation but not combustion because it is not exothermic.

Combustion reaction always involves oxygen.