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The maximum allowed concentration in ppm...

The maximum allowed concentration in ppm of zinc in drinking water

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The correct Answer is:
5
The maximum prescribed concentration of Zn metal in drinking water is 5 ppm.
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Knowledge Check

  • The maximum prescribed concentration of copper in drinking water is:

    A
    5 ppm
    B
    0.5 ppm
    C
    3 ppm
    D
    0.05 ppm

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