Separating mixtures

Name the separation method that causes wet clothes on a clothes line to dry

• Chromatography
• Filtration
• Distillation
• Evaporation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

Name the separation technique shown in the diagram.

• evaporation
• distillation
•  filtration
• decanting

Which one of the following solids is insoluble in water?

• sugar
• sand
• copper sulfate
• salt

Sand and gravel may be separated from each other through using..

• a filter funnel
• a sieve
• an evaporating basin
• a distillation

Dyes in water soluble markers may be separated by means of..

• crystallization
• sublimation
• chromatography
• sedimentation

Which one of the following would you use to separate sand from iron filings?

• a bar magnet
• filter paper
• chromatography paper
• alum

Water and alcohol are easily separated by distillation because of their

•  different melting points
• different colours
• different densities
• different boiling points

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

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

Tags

NGSS.MS-PS1-2

Which one of the following is NOT a mixture?

• Sugar
• Paint
• Crude oil
• Air