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  1. The iron ore which contains 72% of iron is :

    2. A.

     Magnetite
    B.

     Limonite
    C.

     Haematite
    D.

     Siderite

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    Answer : Option A

    Explanation :

    Magnetite is the best quality of iron ore and contains 72% pure iron. Haematite contains 60% to 70% pure iron ore.

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