Environmental Engineering Mcqs


Q.  In lime-soda process________________?

a. only carbonate hardness is removed
b. only non-carbonate hardness is re-moved
c. lime reduces the carbonate hardness and soda-ash removes the non-carbo¬nate hardness
d. lime reduces the non-carbonate hard-ness and soda-ash removes the carbo¬nate hardness



 
 

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