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NEET · Biology · STD 12 - 8. microbes in human welfare
Which of the following in sewage treatment removes suspended solids?
- A Secondary treatment
- B Primary treatment
- C Sludge treatment
- D Tertiary treatment
Answer & Solution
Correct Answer
(B) Primary treatment
Step-by-step Solution
Detailed explanation
(b) : Primary or physical treatment is the process of removal of small and large, floating and suspended solids from sewage through two processes of filtration and sedimentation.
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