NEET Biology question

Not in NEET syllabus

Which one of the following impurities is easiest to remove from waste-water?

(A)Bacteria
(B)Colloids
(C)Dissolved solids
(D)Suspended solidsCorrect

Answer: (D)

Solution

Suspended solids, being relatively large, non-dissolved particles, can be readily removed from wastewater through simple physical methods such as screening, sedimentation and filtration, making them the easiest impurity

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Question ID VK-130365