The maximum prescribed concentration of copper in drinking water is:

  • Option 1)

    5 ppm

  • Option 2)

    0.05 ppm

  • Option 3)

    0.5 ppm

  • Option 4)

    3 ppm

Answers (1)

Factual based

Safe limit of copper is 3 ppm


Option 1)

5 ppm

Option 2)

0.05 ppm

Option 3)

0.5 ppm

Option 4)

3 ppm

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