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WorksheetsSeparation Methods
Total questions: 10
Worksheet time: 6mins
What is the method suitable to obtain pure water from seawater.
Simple distillation
Fractional distillation
Filtration
Evaporation to dryness
This method is used to separate metals from non metals.
use of magnet
physical manipulation
sieving
chromatography
Which method is helpful in determining the harmful components in food? (ex. melamine in food sample)
use of magnet
filtration
distillation
chromatography
Which mixture can be separated using a filtration method?
oil and water
sand and iron powder
sand and water
water and ethanol
In paper chromatography, the LEAST soluble solute ____.
does not move from the start point
stays closest to the start point
travels furthest away from the start point
can be found in the middle of the chromatogram
This method is known as ________.
centrifuge
chromatography
evaporation
distillation
Refer to the picture. Which colour pigment is the most soluble in the solvent?
blue
purple
red
they have the same solubility
Sugar is dissolved in water. Which of the following are correct statements about this?
Sugar is the solvent.
Water is the solute.
Sugar mix with water to form sugar solution.
Sugar is the solute.
