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    Question

    Which of the following is the laughing

    gas?
    A Nitrous oxide Correct Answer Incorrect Answer
    B Nitric oxide Correct Answer Incorrect Answer
    C Nitrogen oxide Correct Answer Incorrect Answer
    D Nitrogen pentoxide Correct Answer Incorrect Answer

    Solution

    Nitrous oxide is used as a laughing gas. N₂ O is the chemical formula of nitrous oxide. Nitrous oxide, commonly known as laughing gas is a chemical compound, an oxide of nitrogen with the formula N and O. At room temperature, it is a colorless NON INFLAMMABLE GAS, with a slight metallic scent and taste. At elevated temperatures, nitrous oxide is a powerful oxidizer similar to molecular oxygen. Hence, option A is correct.

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