IGCSE CIE CHEMISTRY PURIFYING AND SEPARATING SOLUTIONS

dugglesduck
Quiz by dugglesduck, updated more than 1 year ago
dugglesduck
Created by dugglesduck over 5 years ago
15
2

Description

Quiz on IGCSE CIE CHEMISTRY PURIFYING AND SEPARATING SOLUTIONS, created by dugglesduck on 05/09/2015.

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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