MCQ
बायोगैस का मुख्य अवयव है:
  • A
    $CO _2$
  • $CH _4$
  • C
    $H _2$
  • D
    $H _2 S$

Answer

Correct option: B.
$CH _4$
(B)
बायोगैस का मुख्य अवयव है- $CH _4$

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