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NEET Chemistry NEET PYQ-Metallurgy

  • question_answer
    Which one of the following is a mineral of iron?                                   [AIPMT (S) 2012]

    A) Malachite

    B) Cassiterite

    C) Pyrolusite

    D) Magnetite

    Correct Answer: D

    Solution :

    [d]
    Mineral Chemical composition
    Malachite Cassiterite Pyrolusite Magnetite \[CuC{{O}_{3}}\cdot Cu{{(OH)}_{2}}\] \[Sn{{O}_{2}}\] \[Mn{{O}_{2}}\] \[F{{e}_{3}}{{O}_{4}}\]
    Thus, magnetite is a mineral of iron.


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