Q84
Main constituents of biogas are
A.
Methane and carbon monoxide
B.
Butane and carbon monoxide
C.
Methane and carbon dioxide
AnswerD.
Ethylene and carbon dioxide
Answer: Option C
Solution
Answer: Option C
Solution:
Main constituents of biogas are Methane and carbon dioxide. Biogas comprises primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxanes.