Q.

The major constituent of gobar gas is –

A. Carbon dioxide
B. Methane
C. Butane
D. Isobutane
Answer» B. Methane
Explanation: lobar Gas (Methane) is generated by the decomposition of organic cow dung. It consists of 55-65% methane, 30-35% carbon dioxide, with some hydrogen, nitrogen and other traces. The composition of biogas varies depending upon the origin of the anaerobic digestion process. Landfill gas typically has methane concentrations around 50%.
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