A) hydrogen sulphide, nitrogen, methane
B) methane, oxygen, hydrogen sulphide
C) methane, hydrogen sulphide, carbon dioxide
D) hydrogen sulphide, methane, sulphur oxide.
Correct Answer: C
Solution :
: Biogas is made up of methane (50-70%), carbon dioxide (30-40%) with traces of nitrogen, hydrogen sulphide and hydrogen.You need to login to perform this action.
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