Question # 1

A filtration process could by very time consuming if it were into aided by a gentle suction which is developed.

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If the paper covers the funnel upto its circumference

If the paper has got small sized pores in it.

If the stem of the funnel is large so that it dips into the filtrate

If the paper fits tightly

Large value of distribution coefficient K means.

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Component of solute dissolved large in mobile phase

Components of solute do not dissolve in mobile phase

Components of solute remains at original spot

All statements are correct

Solvent extraction is an equilibrium process and it is controlled by.

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Law of mass action

The amount of solvent used

Distribution law

The amount of solute

Chromatography involves the distribution of a solute between.

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Two stationary phases

Two mobile phases

A stationary phase and a mobile phase

Two stationary and two mobile phase.

The crystallization of a solid substance is done from a hot saturated solution. The solution is

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Evaporated rapidly

Cooled very slowly to get good crystals

Cooled rapidly to get excellent crystals

Mixed with another miscible solvent

Chromatography in which the stationary phase is a solid is classified as.

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Partition chromatography

Gas chromatography

Adsorption Chromatography

Thin layer chromatography

The drying agent used in a desiccator.

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Agcl

NH4Cl

P2O5

AlCl3

"The components of which mixture can be separated by filtration".

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NaCl and CaCl2

Calcium carbonate and NaCl

Blue and green inks

Sand and naphthalene

Which one of the following is not property of a good solvent.

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It should be inexpensive

It should dissolve impurities easily

It should dissolve large amount of solute at boiling point and less amount of solute at low temperature.

It should not react chemically with solute

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