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Biology
During sewage treatment biogas produced includes
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Q. During sewage treatment biogas produced includes
NEET
NEET 2013
Microbes in Human Welfare
A
Hydrogen sulphide, Nitrogen, Methane
11%
B
Methane, Oxygen, Hydrogen sulphide
10%
C
Methane, Hydrogen sulphide, Carbon dioxide
75%
D
Hydrogen sulphide, Methane, Sulphur oxide
5%
Solution:
Biogas is made up of methane (50-70%), carbon dioxide (30-40%) and hydrogen sulphide. However traces of nitrogen, hydrogen and oxygen arc also found.