Q
Use of hydrated lime in water treatment_________________?
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A
A. Before filtration, reduces the bacterial load on filters
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B
B. After filtration, combats the corrosiveness of water due to the presence of o2 & co2
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C
C. Is to adjust the ph value
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D
D. All a , b. and c.
Correct Answer:
D. D. All a , b. and c.
