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Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 18 (Q.No. 39)
UPSC Civil Service Exam Questions
39.
Which one of the following statements is correct ? In the lime-soda process of water softening
lime reduces carbonate hardness while soda removes non-carbonate hardness
only carbonate hardness is removed
lime reduces non-carbonate hardness while soda removes carbonate hardness
Only non-carbonate hardness is removed.
Answer: Option
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