Statement 1: Distillation is not used very widely in the food industry. Statement 2: Steam distillation can be done when the volatile component is not miscible in water.

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Statement 1: Caffeine is the active principle in coffee. It cannot be stripped off it. Statement 2: Caffeine can be stripped off coffee by extraction.

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Statement 1: Rectification involves the liquid and vapors to pass a cascade of stages. Statement 2: In rectification, both heat and mass transfer takes place till equilibrium is reached.

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Statement 1: Hydrogenation of fats involves liquid-gas phases only. Statement 2: Hydrogenation of fats is known as slurry reactor system.

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Statement 1: Vapour-liquid-Equilibria is related to by a simple expression of Raoult’s law. Statement 2: Raoult’s law is applicable to real gases.

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Statement 1: Crystallization is both a mass and heat transfer operation. Statement 2: The crystals and mother liquor obtained from a crystallizer are called _____

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Statement 1: Smaller particles dissolve as they have a larger surface area and larger particles grow. Statement 2: The above process is called Ostwald ripening.

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