Separation Techniques 101 Quiz (LS)

1.

Multiple Choice

30 sec

1 pt

Separating iron fillings from wood dust

filtration

using magnets

evaporation

fractional distillation

2.

Multiple Choice

30 sec

1 pt

Separating oil fractions using their different boiling points

Distillation

Fractional Distillation

Evaporation

Electrolysis

3.

Multiple Choice

30 sec

1 pt

Separating salt dissolved in water

Distillation

Fractional Distillation

Crystallisation

Filtration

4.

Multiple Choice

30 sec

1 pt

Separating 2 immiscible liquids (liquids that don’t dissolve in one another)

use a separating funnel

chromatography

fractional distillation

evaporation

5.

Multiple Choice

30 sec

1 pt

Separating miscible liquids (liquids that dissolve in one another).

Distillation

Fractional distillation

Crystalisation

Evaporation

6.

Multiple Choice

1 min

1 pt

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

Filtration

Distillation

Chromatography

Evaporation to dryness

7.

Multiple Choice

1 min

1 pt

Water and alcohol are easily separated by distillation because of their

different densities

different boiling points

different colours

different melting points

8.

Multiple Choice

1 min

1 pt

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

9.

Multiple Choice

1 min

1 pt

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

unsaturated

concentrated

dilute

weak

10.

Multiple Choice

1 min

1 pt

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.

11.

Multiple Choice

1 min

1 pt

Filtration can be used to separate...

an insoluble solid from a solution

a soluble solid from a solution

a dissolved solid from a solution

12.

Multiple Choice

1 min

1 pt

What method is used to obtain copper(II) sulfate crystals from its solution?

Crystallisation

Evaporation to dryness

Paper chromatography

Fractional distillation

13.

Multiple Choice

1 min

1 pt

What is the method suitable to obtain pure water from seawater.

Simple distillation

Fractional distillation

Filtration

Evaporation to dryness

14.

Multiple Choice

1 min

1 pt

Name a application of magnetic attraction as a separation technique.

Salvaging of iron and steel

Removing tea leaves from tea

Production of salt from seawater

Making excellent coffee

15.

Multiple Choice

1 min

1 pt

After filtration is finished, the solid remaining on the filter paper is called the ___________.

filtrate

dirt

residue

salt

16.

Multiple Choice

2 mins

1 pt

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

distillation

filtration

evaporation

chromatography

17.

Multiple Choice

2 mins

1 pt

Chromatography separates the mixture of dyes on the basis of their ----------------------------

density

solubility

gravity

boiling point

18.

Multiple Choice

30 sec

1 pt

Panning for gold is an example of

Filtering

Decanting

Distillation

Evaporation

19.

Multiple Choice

30 sec

1 pt

Decanting is

Separating solids from liquids

Separating a soluble solid and solvent

Separating an insoluble solid from a liquid

When one liquid is changed to another liquid

20.

Multiple Choice

30 sec

1 pt

Salt water turning into fresh water is an example of

Evaporation

Decanting

Distillation

Filtering

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