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    Question

    Zero group was introduced

    by
    A Lothar Meyer Correct Answer Incorrect Answer
    B Mendeleev Correct Answer Incorrect Answer
    C Ramsay Correct Answer Incorrect Answer
    D Lockyer Correct Answer Incorrect Answer

    Solution

    The zero group (noble gases) was introduced by William Ramsay after discovering elements like helium, neon, argon, krypton, and xenon. These elements were placed in a new group due to their inert nature.

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