environment easy MCQ

Biogas, produced from the anaerobic digestion of organic matter, primarily consists of which gas?

  1. Hydrogen
  2. Nitrogen
  3. Methane
  4. Carbon Monoxide

Answer: Methane

Biogas is predominantly composed of methane (CH4) and carbon dioxide, making it a highly combustible fuel.

Topic Renewable Energy
Exam Relevance SSC, Railway
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