Main constituent of the gas produced from a gobar gas plant is___________________?
Correct answer: B. CH4
- A. CO2
- B. CH4
- C. H2
- D. CO
Explanation
Anaerobic digestion of cattle dung produces biogas, whose principal combustible constituent is methane, usually accompanied by substantial CO2. Hydrogen and CO are not the main products of a normal gobar-gas plant.
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