Diffusion in concentrated solutions differs from that in dilute solutions, because of the change in the _______________ with the concentration of the solution?

A. Mass transfer is accompanied by reaction
B. Diffusion of A is in stagnant medium B
C. Molecular mean free path is high
D. There is equimolar counter diffusion

A. Affected more by temperature than that for gases
B. Affected much less by temperature than that for gases
C. Not affected by the temperature
D. None of these

A. 1.2 to 1.5
B. 2.5 to 3
C. 3 to 4
D. 5

A. Concentration of liquid and vapour leaving a plate will be same
B. Reflux ratio will be maximum
C. Number of plates required will be maximum
D. None of these

A. Continuous
B. Steam
C. Differential
D. Flash