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2689400
IGCSE CIE CHEMISTRY PURIFYING AND SEPARATING SOLUTIONS
Description
Quiz on IGCSE CIE CHEMISTRY PURIFYING AND SEPARATING SOLUTIONS, created by dugglesduck on 09/05/2015.
Quiz by
dugglesduck
, updated more than 1 year ago
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Created by
dugglesduck
about 9 years ago
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Resource summary
Question 1
Question
When would you use diffusion?
Answer
To separate a liquid from a solid
To dissolve a substance
To separate gases
Question 2
Question
When would you use chromatography?
Answer
To separate and purify coloured compounds
To test a boiling point
To separate water from salts
Question 3
Question
When would you use filtration?
Answer
To separate a liquid from a liquid
To separate solids froms solutions
Question 4
Question
When would you use simple distillation?
Answer
To separate water from a dissolved salt
To separate more volatile liquids from less volatile liquids
Question 5
Question
When would fractional distillation be used?
Answer
To make salt crystals
To separate a less volatile liquid from a more volatile liquid
To eat
Question 6
Question
When are crystals formed?
Answer
When you heat water
When a solution of crystalline solid is partly evaporated and then allowed to cool
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