An example of elution is______________________?

Related Mcqs:

In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raffinate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg) ?

A. 6.89 B. 8.89 C. 10 D. 8.25...

Which of the following can be calculated theoretically using steam table and Dalton’s law of partial pressure; if the relative humidity and dry bulb temperature of moist air is known ?

A. Dew point B. Humidity ratio C. Wet bulb temperature D. None of these...

In a gas-liquid absorption column, for obtaining the maximum absorption efficiency___________________?

A. Liquid stream should be distributed uniformly B. Gas stream should be distributed uniformly C. Both gas as well as liquid streams should be distributed uniformly D. By passing should be completely avoided...

The dew point of an unsaturated gas-vapor mixture does not depend upon the ____________________ of the mixture?

A. Composition B. Temperature C. Total pressure D. All A., B. and C....

The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp= M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force) ?

A. Kc = Kp = Km B. Kc = Kp/RT = Km . RT/P C. Kc = Kp . RT = Km . RT/p D. None of these...