Question

A mixture (x) in water contains suspended solids, organic impurities, inorganic impurities (a), nutrients (b), disease causing bacteria and other microbes. Give names for (x), (a) and (b)?

Answer 1

(x): The mixture ‘x’ that contains suspended solids, organic and inorganic impurities, nutrients and disease-causing bacteria and microbes is called ‘sewage’​

(a): The inorganic impurities present in sewage can be nitrates or phosphates.​

(b): The nutrients present in sewage can be nitrogen or phosphorus.