Methane is a major constituent of
Coal gas
Water gas
Petroleum
Biogas
Methane is a major constituent of biogas. The biogas produced contains usually 50-65% methane & 35-50% carbon dioxide .
The calorific value of a fuel is 40000 kJ/kg. This fuel is most likely to be :
(a) biogas
(b) methane
(c) hydrogen gas
(d) liquefied petroleum gas
The gas which occurs above the petroleum oil trapped under the rocks is called :
(b) petroleum gas
(c) natural gas
(d) coal gas
What is the main constituent of methane gas?