Question

    What is the chemical name of laughing

    gas?
    A Nitrous oxide Correct Answer Incorrect Answer
    B Nitrogen di-oxide Correct Answer Incorrect Answer
    C Nitric acid Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer

    Solution

    Nitrous oxide (N2O) is called “laughing gas” because it has a euphoric effect when inhaled. It has a mildly sweet odor and taste. N2O was first synthesized by J. Priestley in 1772.

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