

MCQOPTIONS
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1. |
Binary distillation involves the mass transfer by __________ at the gas-liquid interface. |
A. | unidirectional diffusion from liquid to gas phase |
B. | unidirectional diffusion from gas to liquid phase |
C. | either 'a' or 'b' |
D. | a counter diffusion at an almost equal molar rate |
Answer» E. | |