Refluxing of part of the distillate in a fractionating column is a ‘recycling operation’, aimed primarily at_______________?

Related Mcqs:

Pure oxide refractories are generally monocrystalline in nature and are self bonded ______________ bricks are generally used as moderator in nuclear reactors?

A. Beryllia B. Carborundum C. Corundum D. Thoria...

The atomic heat capacities of all solid elements ______________ with decrease in temperature?

A. Increases B. Decreases C. Remains unchanged D. Approach zero at 0°C...

At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?

A. Decrease in mean free path B. Increased collision rate among molecules C. Increase in molecular attraction D. Increase in average molecular speed...

Average molecular weight of air is about ____________________?

A. 21 B. 29 C. 23 D. 79...

Number of gm moles of solute dissolved in one liter of a solution is called its____________________?

A. Equivalent weight B. Molarity C. Molality D. Normality...