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Chemistry miscellaneous
  1. Maximum permissible concentration of copper in drinking water in mg/L is
    1. 0.01
    2. 0.05
    3. 1.0
    4. 2.0
Correct Option: C

In the first edition of the Guidelines for Drinking Water Quality, published in 1984, a guideline value of 1.0 mg/litre was established for copper, based on its laundry and other staining properties.


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