Separation Techniques

What method would you use to separate a mixture of salt and water so that you can get keep the salt AND the water?

• sorting by hand

• distillation

• chromatography

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 a felt-tip pen may be separated by....

• Distillation

• Decanting

• Chromatography

• Centrifuge

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

Which one of the following is the name for separation technique in the picture below

• distillation
• dissolving
• evaporation
• decanting

Which one of the following is a disadvantage of evaporation?

• It always requires heat
• It cannot be used for insoluble solids
• All of the solute is recovered
• The solvent (liquid part) is not recovered

No matter what you do, sand will not dissolve in water, because sand is _________.

• dissolved

• soluble

• insoluble

• aqueous

What is the name of this separation technique?

• Simple distillation

• Fractional distillation

• Boiling

• Evaporation

Which separation technique is used to obtain pure water from seawater?

• Simple distillation

• Filtration

• Chromatography

• Evaporation

What is the name of this separation technique?

• distillation

• filtration

• evaporation

• chromatography