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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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