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)?
ScienceClass 7CBSEAnswered 27 Mar 2026
Answer
Soln:
(x) sewage
(a) nitrates, phosphates and metal
(b) phosphorus and nitrogen
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