preparation and separation techniques
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Last updated 8:02 PM on 10/18/22
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10 Terms
1
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Liquids
________ are heated until the vapour pressure equals that of atmospheric pressure where the compound starts to boil.
2
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Chlorophyll
________ is more soluble in petroleum spirit than water.when it is extracted from pant leaves an acetone /water mixture is used.
3
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Chemists
________ often have to carry out reactions and then separate the products from the initial reactants.
4
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organic substances
Allow ________ with low boiling point to be heated for long periods without loss due to evaporation.
5
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solvent extraction
a way of separating compounds based on their differing solubility in 2 immiscible liquids eg petroleum spirit and water
6
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fractional distillation
used to separate several liquids from a mixture
7
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distillation
the process of purifying a liquid by boiling it and condensing its vapors
8
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reflux
allow organic substances with low boiling point to be heated for long periods without loss due to evaporation
9
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name of the separation techniques
crystallisation
10
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name of the separation techniques
chromatography
