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

  • question_answer
    Which of the following ores is subjected to roasting during metallurgical operations for getting the metal oxide

    A) Horn silver

    B) Zinc blende

    C) Malachite

    D) Limonite

    Correct Answer: B

    Solution :

    Zinc blende\[(ZnS)\]; \[2ZnS+3{{O}_{2}}\xrightarrow{\Delta }2ZnO+2S{{O}_{2}}\]


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