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(B) The classification of water impurities is as follows:$1$. Suspended solids $(P)$ include particles like sand, silt, and clay which are heavy and s

Vedclass · Accepted Answer

$(P-II), (Q-I), (R-III)$

Vedclass · Answer

(B) The classification of water impurities is as follows:$1$. Suspended solids $(P)$ include particles like sand, silt, and clay which are heavy and settle down easily. Thus, $(P-II)$.$2$. Colloidal materials $(Q)$ include fine particles like fecal matter, bacteria, and cloth or paper fibers that remain suspended in water. Thus, $(Q-I)$.$3$. Dissolved materials $(R)$ include substances that are completely dissolved in water, such as nutrients like nitrates, ammonia, phosphates, sodium, and calcium. Thus, $(R-III)$.Therefore, the correct matching is $(P-II), (Q-I), (R-III)$.

Column-$I$	Column-$II$
$(P)$ Suspended solids	$(I)$ Fecal matter, bacteria, cloth and paper fibers
$(Q)$ Colloidal materials	$(II)$ Sand, silt, and clay
$(R)$ Dissolved materials	$(III)$ Nutrients (nitrate, ammonia, phosphate, sodium, calcium)

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