Question

Which of the following gas present in the biogas has composition value 0-1 %?

A CO2 Correct Answer Incorrect Answer
B N2 Correct Answer Incorrect Answer
C H2 Correct Answer Incorrect Answer
D O2 Correct Answer Incorrect Answer

Solution

Typical composition of biogas

Compound

Formula

Percentage by volume

Methane

CH 4

50–80

Carbon dioxide

CO 2

15–50

Nitrogen

N 2

0–10

Hydrogen

H 2

0–1

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