Multiple choice

Marsh gas is

  1. hydrogen

  2. nitrogen

  3. methane

  4. ethane
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Marsh gas is primarily methane (CH4), produced by anaerobic decomposition of organic matter in wetlands, swamps, and marshes. This is why methane is also called 'swamp gas.' Hydrogen, nitrogen, and ethane are not the primary components of marsh gas.

Keep practicing — related questions