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JEE Main & Advanced JEE Main Solved Paper-2016

  • question_answer
    Which one of the following ores is best concentrated by froth floatation method ? [JEE Main Solved Paper-2016 ]

    A) Malachite                           

    B) Magnetite

    C) Siderite                               

    D) Galena

    Correct Answer: D

    Solution :

                    Froth floatation method is mainly applicable for sulphide ores. Malachite ore : \[Cu{{(OH)}_{2}}.CuC{{O}_{3}}\] Magnetite ore : \[F{{e}_{3}}{{O}_{4}}\] Siderite ore : \[FeC{{O}_{3}}\] Galena ore : PbS (Sulphide Ore)


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