MCQ
Gobar gas is a :
  • A
    Solid fuel
  • B
    Liquid fuel
  • C
    Primary fuel
  • Secondary fuel

Answer

Correct option: D.
Secondary fuel
Biogas is a type of secondary energy because biomass $($primary energy$)$ is used to produce biogas by anaerobic digestion into more efficient and higher value fuel. Biogas is also called gobargas as made by waste remains of plants and animals.

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