The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called__________________?

Related Mcqs:

Water entrained by circulating air in cooling towers is termed as____________________?

A. Drift B. Blow down C. Vapor load D. None of these...

The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m2/m3) ?

A. 500 B. 1200 C. 900 D. 800...

Dorr thickener is an equipment used for___________________?

A. Classification B. Sedimentation C. Clarification D. Leaching...

Packed column distillation is limited to the column _____________ metres?

A. Height < 6 B. Diameter < 0.6 C. Both A. & B. D. Neither A. nor B....

Which of the following operations does not involve leaching ?

A. Dissolving gold from ores B. Dissolving pharmaceutical products from bark or roots C. Dissolving sugar from the cells of the beet D. Removing nicotine from its water solution by kerosene...