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Discussion :: Chemical Process

  1. A mineral is termed as 'ore', if

    2. A.
    a metal can be economically extracted from it.
    B.
    it contains ≥ 40% metal.
    C.
    the metal present in it is costly.
    D.
    all (a), (b) and (c).

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    Answer : Option A

    Explanation :

    No answer description available for this question.

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