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10th Class Science Metals and Non-metals / धातु और अधातु Question Bank Metals and Non-metals

  • question_answer
    Which pair of metals are extracted just by heating with their sulphide ores in air?

    A) Mercury and copper

    B) Mercury and magnesium

    C) Silver and mercury

    D) Iron and mercury

    Correct Answer: A

    Solution :

    Both mercury and copper can be extracted just by heating their sulphide ores in air. The oxides obtained are further heated to get pure metals.


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