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Microbes in Human Welfare
Microbes in Human Welfare
Hard
Question
Biogas released during sewage treatment is a mixture of :-
Options
A.
CH
4
, H
2
S, CO
2
B.
C
2
H
4
, H
2
S, NO
2
C.
CH
4
, H
2
S, SO
2
D.
CH
4
, N
2
O, CO
2
Solution
NCERT XII Page # 184
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Microbes in Human Welfare
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