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  5. Occurence and Extraction of Metals

Railways General Science & Technology Occurence and Extraction of Metals Sample Paper Occurence and Extraction of Metals Sample Test Paper-18

  • question_answer
    A metal obtained directly by roasting of its sulphide ore is

    A)  Hg                  

    B)  Cu

    C)  Zn                   

    D)  Pb

    Correct Answer: A

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