- (A) Changes the relative volatility of the original components
- (B) Should be of high volatility
- (C) Should form azeotropes with the original components
- (D) All
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- (A) Less
- (B) More
- (C) Same
- (D) Unpredictable
- (A) Relative humidity
- (B) Partial pressure of vapour
- (C) Wet bulb temperature
- (D) None of these
- (A) Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase
- (B) Temperature of the liquid phase is equal to that of the vapor phase
- (C) Total pressure throughout the liquid phase is equal to that throughout the vapor phase
- (D) All
- (A) a1 = a2
- (B) a1 = 2a2
- (C) a1 = 0.5 a2
- (D) None of these
- (A) Always smaller than
- (B) Always greater than
- (C) Not related to
- (D) None of these
- (A) Liquid phase resistance-controlled
- (B) Gas phase resistance controlled
- (C) Impossible
- (D) Driven by a non-linear driving force
- (A) Atmospheric
- (B) Vacuum
- (C) High pressure
- (D) None of these
- (A) Parallel
- (B) Straight
- (C) Both parallel and straight
- (D) Neither parallel nor straight
- (A) Pressure
- (B) Temperature
- (C) Nature of the components
- (D) None of these

