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      Question

      Which gas is commonly known as laughing

      gas?
      A Nitrous oxide Correct Answer Incorrect Answer
      B Carbon dioxide Correct Answer Incorrect Answer
      C Methane Correct Answer Incorrect Answer
      D Sulfur dioxide Correct Answer Incorrect Answer

      Solution

      Nitrous oxide (N 2 O) is commonly known as laughing gas due to its euphoric effects when inhaled.

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