preparation and separation techniques

Liquids

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

Chlorophyll

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

Chemists

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

organic substances

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

solvent extraction

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

fractional distillation

used to separate several liquids from a mixture

distillation

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

reflux

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

name of the separation techniques

crystallisation

name of the separation techniques

chromatography