UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

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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 A

Explanation :

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