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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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