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A coalescer in a mixer-settler liquid-liquid extraction coloumn | |
A. | comprises of thin bed of substances of extended surface having high porosity. [Wrong Answer] |
B. | helps in increasing the bubble size entering the settler. [Wrong Answer] |
C. | helps in increasing the settling rate of the bubbles. [Wrong Answer] |
D. | all 'a', 'b', & 'c'. [Correct Answer] |