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  • All of the following are inorganic impurities present in ...
Multiple choice

All of the following are inorganic impurities present in waste water, except

  1. fruit and vegetable waste

  2. nitrates

  3. phosphates

  4. metals

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Fruit and vegetable waste is an organic impurity present in waste water.

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