Biogas is a mixture of(1) Oxygen, carbon dioxide, methane(2) Nitrogen and oxygen(3) Methane, nitrogen and hydrogen(4) None of these.

Answer:(1)

Biogas is mainly methane and carbon dioxide and may have minor quantities of sulphide hydrogen, oxygen, and siloxane. Methane, hydrogen, and carbon monoxide gasses may be combusted with oxygen or oxidised. This release of energy allows the use of biogas as a fuel.
Uses:
  • Used as fuel.
  • Used for heating purpose, for an example in cooking.
  • Used in the gas engine.

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