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

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

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Mass Transfer
For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because

Solubility of the components of air in water is very small
Lewis number is close to unity
They are always equal under all circumstances
Water has a high latent heat of evaporation

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