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Railways General Science & Technology Metals and Non-metals / धातु और अधातु Sample Paper Properties and Uses of Metals and Non-Metals Sample Test Paper-19

  • question_answer
    Which of the following is a non-ferrous metal?

    A)  Cobalt 

    B)  aluminium

    C)  nickel  

    D)  All of these

    Correct Answer: D

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