preparation and separation techniques 

________ are heated until the vapour pressure equals that of atmospheric pressure where the compound starts to boil.

________ is more soluble in petroleum spirit than water.when it is extracted from pant leaves an acetone /water mixture is used.

________ often have to carry out reactions and then separate the products from the initial reactants.

Allow ________ with low boiling point to be heated for long periods without loss due to evaporation.

a way of separating compounds based on their differing solubility in 2 immiscible liquids eg petroleum spirit and water

used to separate several liquids from a mixture

the process of purifying a liquid by boiling it and condensing its vapors

allow organic substances with low boiling point to be heated for long periods without loss due to evaporation

crystallisation

chromatography