‘Gobar gas’ contains mainly which gas?

Ans-Methane (CH₄) – 50–75%
Carbon dioxide (CO₂) – 25–50%
Nitrogen (N) – 20–10%
Hydrogen (H₂) – 0–1%
Hydrogen sulfide (H₂S) – 0–3%
Oxygen (O₂) – 0–0.5%

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