Civil Engineering MCQs: 3,057 practice questions with answer choices and available explanations. Page 21 of 204.

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Civil Engineering MCQs

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A.only non-carbonate hardness is re-moved
B.lime reduces the carbonate hardness and soda-ash removes the non-carbo¬nate hardness
C.lime reduces the non-carbonate hard-ness and soda-ash removes the carbo¬nate hardness
D.only carbonate hardness is removed
Explanation: The correct answer is lime reduces the carbonate hardness and soda-ash removes the non-carbo¬nate hardness.

Submitted by: Academy of Pakistan

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