Quiz on Separation Techniques

What method is best used to separate a mixture of salt and water, so as to keep the salt AND the water?

• filtration

• distillation

• evaporation

• magnetic attraction

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

• A = test tube, B = glass rod

• A = thermometer, B = funnel
• A = condenser, B = glass rod

• A = condenser, B = thermometer

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 of the following is the name for the separation technique shown in the picture?

• distillation
• filtration

• evaporation
• chromatography

What is the physical property on which distillation depends on?

• different boiling points

• different melting points

• different solubilities

• different sizes of particles

Charcoal powder is insoluble in water. When water is filtered, the charcoal powder becomes the _______.

• solute

• residue

• filtrate

• solvent

This process allows the fine flour particles to pass through the holes of the sieve while the bigger impurities remain on the sieve. What is this process called?

(a)  

The image shows a mixture of iron nails and saw dust. What technique is best used to separate the nails from the saw dust?

• filtration

• chromatography

• distillation

• magnetic attraction

Filtration always allows pure liquid to be collected in the flask.

• True

• False

Magnetic attraction can be used to separate objects made of

• iron

• copper

• aluminium

• steel