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NEET Previous Year Question

$During sewage treatment, biogases are produced which include :$

Topic: NEET PYQ

Answer: B. Full step-by-step solution below.

A $hydrogensulphide, nitrogen, methane$
B $methane, hydrogensulphide, carbon dioxide$
C $methane, oxygen, hydrogensulphide$
D $hydrogensulphide, methane, Sulphur dioxide$

Correct answer: B

Solution

(b) Biogas produced during sewage treatment mainly contains methane (C H_{4}), carbon dioxide (C O_{2}), and hydrogen sulphide (H_{2} S).

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