Question

u) What are various organic, inorganic and disease-causing components of
sewage?
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Answer 1

Answer:

The organic impurities present in sewage are: Human faeces, Animal waste (like Animal dung), Urea (as Urine), Oil, Fruit and Vegetable wastes, Pesticides, and Herbicides, etc. (2) The inorganic impurities present in sewage are: Nitrates, Phosphates and Metals.