Q. Main constituents of biogas are

  • (A) Methane and carbon monoxide
  • (B) Butane and carbon monoxide
  • (C) Methane and carbon dioxide
  • (D) Ethylene and carbon dioxide
✅ Correct Answer: (C) Methane and carbon dioxide

Published by Mr. Dubey ⭐ 111.54K Points at 17-Feb-2021 02:38 am in Science

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