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In lime-soda process | |
A. | only carbonate hardness is removed [Wrong Answer] |
B. | only non-carbonate hardness is re-moved [Wrong Answer] |
C. | lime reduces the carbonate hardness and soda-ash removes the non-carbo¬nate hardness [Correct Answer] |
D. | lime reduces the non-carbonate hard-ness and soda-ash removes the carbo¬nate hardness [Wrong Answer] |