Ammonia present in the coke oven gas is removed by washing with

1.	Ammonia present in the coke oven gas is removed by washing with
A.	caustic solution
B.	dilute ammoniacal liquor
C.	dilute HCl
D.	ethanolamine
Answer» C. dilute HCl

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Ammonia present in the coke oven gas is removed by washing with

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