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    Question

    Phosphorus containing minerals

    are:
    A Strengite Correct Answer Incorrect Answer
    B Apatite Correct Answer Incorrect Answer
    C Goethite Correct Answer Incorrect Answer
    D Both a & b Correct Answer Incorrect Answer
    E All of the above Correct Answer Incorrect Answer

    Solution

    Strengite: FePO4.2H20 Apatite: Ca10 (PO4)62+ Goethite: FeOOH

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