AIIMS AIIMS Solved Paper-2011

  • question_answer
    During the process of electrolytic refining of copper, some metals present as impurity settle as anode mud. These are

    A)  \[Fe\] and \[Ni\]      

    B)        \[Ag\] and \[Au\]

    C)                         \[Pb\] and \[Zn\]      

    D)         \[Se\] and \[Ag\]

    Correct Answer: B

    Solution :

    During electrolysis, noble metals (inert metals) like Ag, Au and Pt are not affected and separate as anode mud from the impure anode.


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