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    Question

    Arrange the following metals in the decreasing order of

    reactivity: K, Na, Zn, Cu, Hg, Ag
    A K > Na > Zn > Cu > Hg > Ag Correct Answer Incorrect Answer
    B K > Na > Zn > Ag > Hg > Cu Correct Answer Incorrect Answer
    C K > Na > Zn > Cu > Ag > Hg Correct Answer Incorrect Answer
    D K > Na > Zn > Hg > Cu > Ag Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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