Studied by 2 people
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
Note 
Flashcard (63)