Separating Mixtures

James wants to seperate the salt from the water in his glass of salt water. What seperation method should James use?

• Magnets

• Evaporation

• Filter

• Using his hands

Tags

NGSS.MS-PS1-4

Two or more substances mingled together, but not chemically combined are known as a

• residue
• solution
• distillate
• mixture

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

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

Which of the following pairs of substances may best be separated through distillation

•  sand and soil
• water and soil
• salt and sand
•  water and alcohol

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which one of the following techniques would best be used to separate soil and water?

• Decanting
• distillation
• Filtration
• Chromatography

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

The substance in the mixture that has the greatest affinity for the mobile phase will travel

• fastest
• slowest

The substance in the mixture that has the greatest affinity for the stationary phase will travel

• fastest
• slowest

Water and alcohol are easily separated by distillation because of their

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

Tags

NGSS.MS-PS1-4