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  1. Which of the following metals can displace copper from copper sulphate solution ?

    2. A.

     Platinum
    B.

     Mercury
    C.

     Iron
    D.

     Gold

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    Answer : Option C

    Explanation :

    Iron metal is more reactive than copper. Therefore, it can displace copper from copper sulphate (CuSO4) solution. Cu is less reactive than iron, therefore, cannot replace iron from iron sulphate (FeSO4).

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