Gobar gas constitutes mainly of___________________?
Correct answer: B. CH4 & CO2
- A. CO & CO2
- B. CH4 & CO2
- C. CH4 & N2
- D. CO & N2
Explanation
Gobar gas, or biogas from anaerobic digestion, consists mainly of methane, which provides its fuel value, and carbon dioxide. Nitrogen may be present in smaller amounts, but CO is not a principal component.
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