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    Question

    Which of the below options is called a laughing gas?

    A Nâ‚‚O Correct Answer Incorrect Answer
    B COâ‚‚ Correct Answer Incorrect Answer
    C Hâ‚‚O Correct Answer Incorrect Answer
    D SOâ‚‚ Correct Answer Incorrect Answer

    Solution

    Nitrous oxide is also called laughing gas. Its chemical formula is N2O.

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