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NEET Chemistry Metallurgy / धातुकर्म Question Bank Self Evaluation Test - General Principals and Process of Isolation of Elements

  • question_answer
    Which one of the following ores is not concentrated by froth floatation process?

    A) Copper pyrites  

    B) Pyrargyrite

    C) Pyrolusite       

    D) Zinc blende

    Correct Answer: C

    Solution :

    [c] Pyrolusite is\[Mn{{O}_{2}}\]. Hence not concentrated by froth floatation process.


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