WorksheetsSEPARATION OF MIXTURES
Total questions: 15
Worksheet time: 13mins
Dyes in water soluble markers may be separated by means of..
crystallization
sublimation
chromatography
sedimentation
The diagram shows the chromatogram for three colouring dyes and that for a brown marker. What dye(s) are contained in the marker's ink?
purple and green
purple and yellow
purple only
green and yellow
In a coffee machine, the ground coffee is separated from the coffee solution by using..
sand paper
filter paper
toilet paper
tissue paper
A mixture is a combination of elements where no ___________ reaction takes place
physical
chemical
Which of the following separations cannot be carried out using a centrifuge? The separation of:
water from wet clothes
cream from milk
red blood cells from plasma
salt from sea water
What is the correct order for obtaining salt from a mixture of sand and salt?
Dissolving in water - filtration – evaporation
Evaporation - filtration - dissolving in water
Filtration - dissolving in water - evaporation
Dissolving in water – evaporation - filtration
The formation of pure solid particles of a substance from a solution is called
filtration
crystallization
distillation
chromatography
Name the separation technique shown in the diagram
Filtration
Chromatography
Centrifugation
Distillation
