Question
Biology Question on Microbes in human welfare
During sewage treatment biogas produced includes
A
Hydrogen sulphide, Nitrogen, Methane
B
Methane, Oxygen, Hydrogen sulphide
C
Methane, Hydrogen sulphide, Carbon dioxide
D
Hydrogen sulphide, Methane, Sulphur oxide
Answer
Methane, Hydrogen sulphide, Carbon dioxide
Explanation
Solution
Biogas is made up of methane (50-70%), carbon dioxide (30-40%) and hydrogen sulphide. However traces of nitrogen, hydrogen and oxygen arc also found.