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The main constituent of biogas is

(A) methane

(B) carbon dioxide

(C) hydrogen

(D) hydrogen sulphide

Answers (1)

Answer : (A)

Biogas is a renewable energy source composed of methane, carbon dioxide, and other trace compounds produced from anaerobic digestion of organic matter.

Bio gas composition:

Methane CH4                       55%-75%

Carbon dioxide CO2             25% - 40%

Rest are trace gases like hydrogen etc.

Biogas is predominantly made from the excretion of cows and buffalos. This is the reason they produce a lot of methane gas.

Therefore option (A) is correct

Posted by

infoexpert23

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