In gobar gas, the maximum amount is that of

Options

(a) butane
(b) methane
(c) propane
(d) carbon dioxide

Correct Answer:

methane

Explanation:

Bio-gas is mainly composed of methane (50-70%), CO2 (30-40%) and small amounts of H2, N2 and H2S. This is a fuel gas produced by metanogenic bacteria by anaerobic breakdown of biomass