A) Butane
B) Propane
C) Methane
D) Ethane
Correct Answer: C
Solution :
Gobar gas or biogas is produced by the anaerobic fermentation of organic matter. Gobar gas mainly consist of \[C{{H}_{4}}(80%).\]It also consists of \[{{H}_{2}}S.{{H}_{2}},C{{O}_{2}}\]
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