Question

Methane gas is also known as _______ gas.

• A. producer
• B. marsh
• C. coal
• D. water

Answer 1

The correct option is B marsh

• Methane $\left(C{H}_4\right)$ is produced when vegetation decomposes in the absence of oxygen within some geographical locations like marshy land by the action of bacteria. Hence, it is also known as marsh gas.
• Producer gas is a fuel gas which is a mixture of nitrogen, carbon monoxide and hydrogen gases.
• Coal gas is a mixture of gases like hydrogen, methane, etc. It is obtained by destructive distillation of coal.
• Water gas is a mixture of carbon monoxide and hydrogen gas.