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    • Question

      Compressed natural gas (CNG) primarily consists of which

      gas?
      A Methane Correct Answer Incorrect Answer
      B Butane Correct Answer Incorrect Answer
      C Isobutane Correct Answer Incorrect Answer
      D Ethane Correct Answer Incorrect Answer

      Solution

      Compressed natural gas mainly consists of methane (approximately 95%). It is used as an environmentally friendly fuel due to its low carbon emissions compared to other fossil fuels.

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