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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
    The metal that is usually extracted from sea water is

    A)  Ca                  

    B)  Na

    C)  K                    

    D)  Mg

    Correct Answer: D

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