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Railways Sample Paper RRB (Group D) Sample Test Paper-7

  • question_answer
    Which one of the following metals occurs in nature in Free State?

    A)  Gold   

    B)  Sodium

    C)  Aluminium                   

    D)  Copper

    Correct Answer: A

    Solution :

    [a]  Gold is a stable noble metal and resists the action of the atmosphere and occurs in Free State.


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