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NEET Sample Paper NEET Sample Test Paper-36

  • question_answer
    Which one of the following is a mineral of iron?

    A)  Pyrolusite    

    B)  Magnetite

    C)  Malachite    

    D)  Cassiterite

    Correct Answer: B

    Solution :

     Magnetite is\[F{{e}_{3}}{{O}_{4}}.\] (not isolated but exists in aqueous media)


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