Q126
Assertion A: Slow sand filters are more efficient in removal of bacteria than rapid sand filters.Reason R: The sand used in slow sand filters is finer than that in rapid sand filtersSelect your answer based on the coding system given below:
A.
Both A and R is true and R is the correct explanation of A
AnswerB.
Both A and R is true but R is not the correct explanation of A
C.
A is true but R is false
D.
A is false but R is true
Answer: Option A
Solution
Answer: Option A
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