Mass Transfer
Pick out the wrong statement. Raoult's law does not apply, when the

Chemical combination or molecular association between unlike molecules takes place in the formation of solution
Component molecules are nonpolar
Attractive forces between like and unlike molecules in the solution are approximately equal
Size of component molecules are not equal

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Mass Transfer
The wetted wall tower is used to determine

M.T.C. of liquid in liquid-gas system
Individual mass transfer co-efficient (M.T.C.) in gaseous system
The overall M.T.C. of the system
M.T.C. of individual components in a liquid-liquid system

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