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    Question

    The critical pH for availability of Zn

    is:
    A 4.5-5.5 Correct Answer Incorrect Answer
    B 5.5-6 Correct Answer Incorrect Answer
    C 5.5-6.5 Correct Answer Incorrect Answer
    D 6-6.5 Correct Answer Incorrect Answer
    E 5.5-7 Correct Answer Incorrect Answer

    Solution

    The critical pH for availability of Zn is 5.5 to 6.5.

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