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3. Here is a list of seven common separation techniques.

(7)

A Evaporation

B Fractional distillation

C Chromatograph

! Crstalli"ation

E #u$limation

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F %sing a separating funnel

  & !issolving' filtering' evaporating

From A to &' select a suita$le separating technique hich could $e used to separate the folloing

mitures of chemicals. %se each technique onl once.

i !ifferent colours from a de

ii #alt from sea ater  

iii #alt from sandiv Copper sulphate crstals from copper sulphate solution

v *odine and sodium iodide

vi !ense oil from a miture of dense oil and light oil

vii +ater from alcohol