MCAT Question of the Day
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    Q:

    		 An iron nail was immersed in a solution of copper sulfate and when it was removed from the solution, it was coated with a layer of copper metal. After a different iron nail was immersed in a solution of zinc nitrate and removed, this nail rusted just as rapidly as a new iron nail. Rank these three metals in order of activity from most active to least active.
    		 

    A

    		 Zn > Cu > Fe

    B

    		 Fe > Cu > Zn

    C

    		 Zn > Fe > Cu

    D

    		 Cu > Fe > Zn



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