JEE Main & Advanced Chemistry Metallurgy / धातुकर्म Question Bank Roasting and Calcination

  • question_answer
    Roasting is generally done in case of the following [MP PMT 1985]

    A) Oxide ores

    B) Silicate ores

    C) Sulphide ores

    D) Carbonate ores

    Correct Answer: C

    Solution :

    In this process sulphides ores are converted into oxide ores \[2ZnS+3{{O}_{2}}\to 2ZnO+2S{{O}_{2}}\uparrow \]


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