CTET PAPER II 2021 · PYQ · Geography / Resources and Energy · easy
Biogas is essentially a mixture of
A.Methane and Carbon dioxide✓ Correct
B.Methane and Nitrogen
C.Methane and Hydrogen
D.Methane and Helium
Explanation
Biogas is produced by anaerobic decomposition of organic matter and consists mainly of methane (CH4, about 50-75%) and carbon dioxide (CO2, about 25-50%), with traces of other gases. Methane is the main combustible component that makes biogas a useful fuel.
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