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

  • question_answer
    Which type of ores are subjected to roasting?

    A) Oxide ores

    B) Silicate ores

    C) Sulphide ores

    D) Carbonate ores

    Correct Answer: C

    Solution :

    Roasting is the process of heating a sulphide ore in the presence of air to convert it into an oxide ore.


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