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The extraction technique is based on the fact that if a substance is

insoluble to some extent in two _____ liquids, it can be transferred

from one liquid to another by shaking.
Immiscible

_____ law state that in an ideal solution, the partial pressure (PA) of

component A at a given temperature is equal to the vapor pressure of

pure A multiplied by the mole fraction of A (XA) in solution.
Raoult’s

______ can be defined by a combination of units.

Select one:
Quantity

The method used to purify a compound by separating it from a non-volatile or less-volatile material is _____.
Recrystallization

The principle of _____ is based on the establishment of a large number of theoretical vaporisation-condensation cycles
Fractional distillation

The most common extraction solvent is _____.
Ethyl ether

The method of purifying a solid is ______.
Distillation

The purity of the solid can be

verified by _____.
Melting point

When the vapour pressure of the liquid equals the ______ pressure, the

liquid boils.
Applied

Organic substances synthesized in the laboratory or isolated

from plants, usually contain _____

 
impurities