IGCSE CIE CHEMISTRY PURIFYING AND SEPARATING SOLUTIONS

Descripción

Test sobre IGCSE CIE CHEMISTRY PURIFYING AND SEPARATING SOLUTIONS, creado por dugglesduck el 09/05/2015.
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Test por dugglesduck, actualizado hace más de 1 año
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Resumen del Recurso

Pregunta 1

Pregunta
When would you use diffusion?
Respuesta
  • To separate a liquid from a solid
  • To dissolve a substance
  • To separate gases

Pregunta 2

Pregunta
When would you use chromatography?
Respuesta
  • To separate and purify coloured compounds
  • To test a boiling point
  • To separate water from salts

Pregunta 3

Pregunta
When would you use filtration?
Respuesta
  • To separate a liquid from a liquid
  • To separate solids froms solutions

Pregunta 4

Pregunta
When would you use simple distillation?
Respuesta
  • To separate water from a dissolved salt
  • To separate more volatile liquids from less volatile liquids

Pregunta 5

Pregunta
When would fractional distillation be used?
Respuesta
  • To make salt crystals
  • To separate a less volatile liquid from a more volatile liquid
  • To eat

Pregunta 6

Pregunta
When are crystals formed?
Respuesta
  • When you heat water
  • When a solution of crystalline solid is partly evaporated and then allowed to cool
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