Which of the following operations does not involve leaching ?

Related Mcqs:

Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is___________________?

A. Insoluble in the liquid B. Soluble in the liquid C. Non-ideal in nature D. At a fixed temperature...

When acetone is added in a two layer mixture of methyl isobutyl ketone and water at 30°C, the acetone distributes between the two layers and the composition of the layer follows two solubility curves. For this system ?

A. As the acetone concentration increases, the solubility curves approach each other B. Both the phases become identical at a particular common point on both the solubility curves called the plait point C. The distribution curve which is a plot between x (acetone concentration in one phase) and y (acetone concentration in other phase) is … When acetone is added in a two layer mixture of methyl isobutyl ketone and water at 30°C, the acetone distributes between the two layers...

Rayleigh’s equation applies to ________________ distillation?

A. Continuous B. Steam C. Differential D. Flash...

Design calculation for multiple component distillation is done by_________________?

A. Ponchon-Savarit method B. McCabe-Thiele method C. Enthalpy concentration method D. Tray to tray calculations...

In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be_____________________?

A. At ground level B. 2 metres above the ground C. 5 metres above ground D. 10 metres above ground...