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>> The main Constituent of Biogas is__________?
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Q. The main Constituent of Biogas is__________?
a.
Methane
b.
Hydrogyn
c.
Oxygen
d.
Carbin dioxide
ANSWER: Methane
Answer & Explanation
Biogas comprises primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxanes.
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