Air pollution, its effects and cures - class-VIII

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Question 1 of 29

Carbon monoxide is naturally produced by oxidation of X , a gas present in swamp area while it can be produced by Y of fuels containing carbon.

Select Your Answer:

X - $CO _{2}$, Y = complete combustion

X - $CH _{4}$, Y = incomplete combustion

X = C, Y = oxidation

X = $CH _{4}$, Y = complete combustion

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