1
Q
How do you purify impure crystals?
A
1) DISSOLVE the impure liquid in the MINIMUM quantity of HOT water / solvent
2) Hot filtration - removes insoluble impurities by using a funnel.
3) Cool
4) Filter the crystals by using vacuum filtration
5) Dry the crystals.
Chemistry
flashcards
Decks in class (33)
# Cards
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Alkanes15
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Free Radical Substitution12
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Alkenes7
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Reactions Of Alkenes (Electrophilic Addition)13
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Polymers24
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Steroisomers11
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Shape And Bond Angle22
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Carbonyl compounds and nucleophilic addition38
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Electrophilic substitution (benzene and phenol)40
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Benzene and aromatic compounds14
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Carboxylic acids10
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Acyl chlorides8
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Amines, Amides and Amino acids18
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Esters14
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Polymers organic1
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Functional groups, suffix and structure23
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All organic synthetic routes27
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Key terms I need to remember for the mock5
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Equations7
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Practical techniques1
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Definitions1
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Periodicity19
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Halogens20
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Enthalpy changes31
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Group 224
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Reaction Rates33
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Rates ( How Fast)40
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Chemical equlibrium29
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Equilibria ( How Far)24
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Acids, bases and buffers48
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Redox and electrode potentials53
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Transition metals40
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Transition metals colour chart26
