Are all combustion reactions oxidation reactions? If not give example.

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Solution

yes.all combustion reactions are oxidation reactions because in a combustion reaction heat is always evolved .since evolution of heat requires liberation of oxygen it is an oxidation reaction.eg:burning of natural gas(equation is in the1st chapter)
but all oxidation reactions are not necessarily combustion reactions because in oxidation ractions it is not necessary that heat should be evolved.eg:2h2+o2 gives 2h2o

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