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WorksheetsSeparation Techniques
Total questions: 35
Worksheet time: 40mins
How can we separate an insoluble solid from a liquid?
chromatography
evaporation
filtration
condensation
Which one of the following is the name for separation technique in the picture below
distillation
filtration
crystallisation
chromatography
Dyes in water soluble markers may be separated by means of
Distillation
Filtration
Chromatography
Evaporation
Which separation technique is shown below
filtration
crystallization
sublimation
evaporation
Which separation technique is shown below
using a magnet
separating funnel
Centrifuging
Chromatography
An unknown gas can be collected using the apparatus shown.
Based on the diagram only, what can your infer about the physical property of this gas?
It is denser that air.
It is insoluble in water.
It is less dense than air.
It is soluble in water.
Which separation technique uses the apparatus shown in the diagram?
filtration
evaporation
distillation
chromatography
Which of the following pairs of substances may best be separated through fractional distillation
sand and soil
water and soil
salt and sand
water and alcohol
Which property indicates that a solid is pure?
It burns completely in oxygen, leaving no residue.
It has a fixed melting point.
It has a fixed volume.
It is soluble in water.
A liquid ester used to flavour food is believed to be impure. What would be the best way of testing its purity?
filter it
measure its boiling point
use paper chromatography
evaporation to dryness
Which is the most suitable laboratory apparatus used to measure 78cm3 of distilled water?
beaker
measuring cylinder
gas syringe
pipette
What method is used to obtain copper(II) sulfate crystals from its solution?
Crystallisation
Evaporation to dryness
Paper chromatography
Fractional distillation
What is the method suitable to obtain pure water from seawater.
Simple distillation
Fractional distillation
Filtration
Evaporation to dryness
This technique is based on the differences of the boiling point of the substance in the mixture.
decantation
distillation
filtration
chromatography
Which one of the following techniques would best be used to separate soil and water?
crystallization
distillation
Filtration
Chromatography
Insoluble solids like sand and flour can be separated from water by
decanting
sieving
filtration
evaporation
Distillation is used to separate ______.
a liquid from its solution.
an insoluble solid from its solution.
a soluble solid from its solution.
Bonus: What is the name of apparatus 2?
conical flask
flat-bottom flask
round-bottom flask
long-neck flask
wide-neck flask
