Filtration, crystallisation and chromatography (AQA GCSE Chemistry): Flashcards
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Practise the cards
13 cards from this deck
What type of processes are separation methods?
What type of processes are separation methods?
Physical processes
What filtration separates
What filtration separates
Insoluble solids from liquids
Equipment for filtration
Equipment for filtration
Funnel, filter paper, and flask
Name for liquid that passes through filter
Name for liquid that passes through filter
Filtrate
Product of crystallisation from solution
Product of crystallisation from solution
Pure solid crystals
What happens to water in crystallisation
What happens to water in crystallisation
It evaporates
What chromatography separates
What chromatography separates
Different substances in a mixture
Why substances separate in chromatography
Why substances separate in chromatography
Travel different distances up paper
Why use pencil (not pen) for chromatography?
Why use pencil (not pen) for chromatography?
Pencil won't dissolve in solvent
Where should solvent level be vs pencil line?
Where should solvent level be vs pencil line?
Below the pencil line
Why filtration works
Why filtration works
Particles too big for filter paper
Why crystallisation works
Why crystallisation works
Solids less soluble as water evaporates
Where insoluble solids go in filtration
Where insoluble solids go in filtration
Trapped in filter paper