In a distillation column, with increase in the reflux ratio, the heat removed in the cooler ______________________?

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The relative volatility of a binary mixture at the Azeotropic composition is _______________________?

A. 1 B. > 1 C. 0 D. ∞...

Relative volatility varies with the concentration of component for an ideal solution. The relative volatility of a binary mixture may be defined as the ratio of vapor pressure of component ‘A’ to that of component ‘B’, when_________________?

A. Only vapor phase follows Raoult’s law B. Only liquid phase obeys Dalton’s law C. Liquid phase obeys Dalton’s law and vapor phase obeys Raoult’s law D. Vapor phase obeys Dalton’s law and liquid phase obeys Raoult’s law...

Alcohol is dehydrated using _______________________ distillation?

A. Extractive B. Azeotropic C. Steam D. Molecular...

Pick out the wrong statement?

A. Change in barometric pressure does not affect the relative humidity B. In case of a packed tower, the operating velocity is about half of the flooding velocity, generally C. ‘Elution’ means the desorption of the adsorbed solute by a solvent D. The equilibrium moisture content of the solid can be reduced by increasing the … Pick out the wrong statement?Read More...

Pick out the wrong statement ?

A. Constant pressure distillation cannot separate an Azeotropic mixture B. Relative volatility of a binary mixture changes appreciably with the minor change in temperature C. The relative volatility of a binary mixture at Azeotropic composition is unity D. Flash distillation is practised on wide spread scale in petroleum refinery...