Separation Techniques QUIZ Questions. Which technique can be used to separate 2 liquids with different boiling points? Distillation 1.

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Presentation transcript:

Separation Techniques QUIZ Questions

Which technique can be used to separate 2 liquids with different boiling points? Distillation 1

Which liquid, water or alcohol, has a lower boiling point (and boils first)? Alcohol 2

Which technique separates substances based on how well they dissolve in a particular solvent? Chromatography 3

In felt-tip pen chromatography which colour of pen was actually a mixture of the MOST colours of ink? Black 4

In the diagram below which spot was most soluble (i.e. dissolved best) in the solvent? Spot A 5

In chromatography of biro pen ink which solvent was best to carry the ink up the paper? Meths 6

What do we call a substance that cannot dissolve in a solvent? Insoluble 7

Which technique can be used to separate an insoluble solid from a liquid? Filtration 8

Which technique can be used to separate a soluble solid from the liquid it is dissolved in? Evaporation 9

Put the following 6 steps for separating sand and salt into the correct order AHeat filtrate to evaporate off the solvent (water) 10 CFilter to remove the insoluble sand BPour salt water filtrate into an evaporating basin on a tripod over a Bunsen burner DPlace the sand/salt mixture into a beaker and add water EAllow basin to cool & collect salt FStir to allow the salt to dissolve in the water D FCBAE