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

  • question_answer
    Which of the following metals can be extracted from the ore called cassiterite?

    A)  Zinc (Zn)          

    B)  mercury (Hg)

    C)  Calcium (Ca)

    D)  tin (Sn)

    Correct Answer: D

    Solution :

    [d] Cassiterite is a tin oxide mineral, \[Sn{{O}_{2}}.\]


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