A. ethane
B. methane
C. hydrogen
D. carbon dioxide
✅ The correct answer is option B.
The chief constituent of gobar gas is methane. Biogas comprises primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxanes.
The chief constituent of gobar gas is methane. Biogas comprises primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxanes.