Separation Techniques

The diagram shows the apparatus for separating soil and water. What are the labelled parts?

• A = distillate, B = filtrate
• A = filtrate, B = residue
• A = residue, B = filtrate
• A = residue, B = distillate

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

To separate a mixture of salt and water what separation method is used?

• Filtration

• Distillation

• Chromatography

• Evaporation to dryness

Tags

NGSS.MS-PS1-4

Which separation technique uses the apparatus shown in the diagram?

• filtration

• evaporation

• distillation

• chromatography

What is the boiling point of water?

• 0^oC
• 100^oC
• 80^oC
• 95^oC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

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

• sand and soil

• water and soil

• salt and sand

• water and alcohol

A solution that contains a large amount of solute is best described as 

• unsaturated
• concentrated
• dilute
• weak

Tags

NGSS.HS-PS1-5

In the distillation apparatus shown, what are the parts labelled A and B?

• A = funnel, B = thermometer
• A = thermometer, B = funnel
• A = condenser, B = flask
• A = condenser, B = thermometer

Dyes in water soluble markers may be separated by means of

• Simple distillation

• Crystallisation

• Chromatography

• Filtration

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.