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Separating Mixtures

Total questions: 50

Worksheet time: 38mins

Name
Class
Date
1.

Name the separation technique shown in the diagram.

a)

evaporation

b)

distillation

c)

filtration

2.
Which one of the following would you use to separate sand from iron filings?
a)
a bar magnet
b)
filter paper
c)
chromatography paper
d)
alum
3.
Water and alcohol are easily separated by distillation because of their
a)
 different melting points
b)
different colours
c)
different densities
d)
different boiling points
4.
Look at the apparatus setup. It cannot be used to separate which of the following mixtures? 
a)
Marble chips from oil 
b)
Alcohol and water
c)
Chalk from sugar solution
d)
Sand and sea water
5.
Can you separate salt from water using filtration?
a)
yes
b)
no
6.

In a coffee machine, the ground coffee is separated from the coffee solution by using..

a)

sand paper

b)

filter paper

c)

toilet paper

d)

tissue paper

7.
Solid particles which are left on filter paper while filtration is called
a)
filtrate
b)
residue
c)
solvent
d)
solute
8.
The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as
a)
decanting
b)
 evaporation
c)
loading
d)
chromatography
9.

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

a)

Magnets

b)

Evaporation

c)

Filter

d)

Using his hands

10.

Nicole wants to dissolve a substance in water. Which substance will dissolve the easiest?

a)

Rocks

b)

sugar

c)

pepper

d)

sand

11.

What mixture could you use this tool to best separate that mixture?

a)

Sugar and Salt

b)

Sand and rocks

c)

Apples and grapes

12.
A fruit salad is a 
a)
solution
b)
mixture
13.

This technique is based on the differences of the boiling point of the substance in the mixture.

a)

decantation

b)

distillation

c)

filtration

d)

chromatography

14.

This type of paper allows liquid to pass through it. What tool is it?

a)

sieve

b)

filter

15.

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

a)

a filter funnel

b)

a sieve

c)

an evaporating basin

d)

a distillation

16.

If I pour sand and water onto a filter, what will happen?

a)

water and sand will go through the filter

b)

sand will get caught in the filter, water will pass through

c)

both sand and water will get caught in the filter

17.

How Would You Separate Strawberries From A Mixture Of Berries?

a)

Handpicking

b)

Decanting

c)

Distillation

d)

Filtration

18.

A Insoluble Solute That Does Not Dissolve In A Solvent Is Known As A...

a)

Suspense

b)

Solution

c)

Suspension

d)

Solute

19.

A Soluble Solute That Does Dissolve In A Solvent Is Known As A...

a)

Solute

b)

Suspension

c)

Solution

d)

Solid

20.

A “Liquid” Is Also Known As...

a)

Solid

b)

Solute

c)

Solvent

d)

Solving

21.

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

a)

residue

b)

solution

c)

distillate

d)

mixture

22.

To separate the sugar and lemonade, what method should you use?

a)

filtration

b)

hand separation

c)

magnet

d)

evaporation

23.
A saturated solution:
a)
is always cold
b)
as a lot of water in it
c)
will not dissolve any more solvent
d)
will not dissolve anymore solute
24.

Which method is usually used to separate coloured substances from each other?

a)

Simple distillation

b)

Evaporation

c)

Chromatography

25.

If you wanted to make pure drinking water from sea water, what process would you use?

a)

Filtration

b)

Distillation

c)

Evaporation

d)

Chromatography

26.

These are the results of a chromatography experiment.


Which colour has the most dyes in it?

a)

blue

b)

green

c)

yellow

d)

brown

e)

purple

27.

These are the results of a chromatography experiment.


Which dye appears in most colours?

a)

blue

b)

green

c)

yellow

d)

brown

e)

purple

28.

When you add salt to water:

a)

the salt is the solvent.

b)

the water is the solute.

c)

the salt is the solute.

d)

the water is the solution.

29.

Filtering cannot be used to separate:

a)

sand from a mixture of sand and water.

b)

sugar from sugar solution.

c)

tea leaves from a pot of tea.

d)

leaves from a mixture of leaves and pond water.

30.

You can tell if a solution is saturated because:

a)

it will be transparent.

b)

there will be bits of undissolved solid in it.

c)

it will be coloured.

d)

it will be hot.

31.

Only 20 g of a salt will dissolve in 100 g of water at room temperature. If you use hot water instead:

a)

less than 20 g will dissolve.

b)

only 20 g will dissolve.

c)

more than 20 g will dissolve.

d)

no salt will dissolve.

32.

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

a)

a filter funnel

b)

a sieve

c)

an evaporating basin

d)

a distillation

33.
To separate noodles from water what method should you use?
a)
filtration with a strainer
b)
boiling while it is cooking
c)
magnet for the noodles
34.
Capable of being dissolved
a)
Soluble
b)
concentration
c)
colloid
d)
molarity
35.

This method is utilized in industries like junkyards to remove metal scraps from other materials.

a)

chromatography

b)

physical manipulation

c)

use of magnet

d)

distillation

36.

Liquids that do not mix may be separated by using..

a)

an evaporating dish

b)

a separating funnel

c)

a loading

d)

a sedimentation

37.
If a substance does not dissolve in a solvent, we say that is insoluble
a)
True
b)
False
38.
What is the process of separating products with densities?
a)
centrifugation
b)
chromatography
c)
heating
d)
decantation
39.
What is decantation?
a)
Distillation
b)
Desalination
c)
Separating particles by careful pouring.
d)
Measuring boiling points.
40.
Water can dissolve many things so it is called the .....
a)
wonderful water
b)
cohesion
c)
liquid
d)
universal solvent
41.

If you had a salad you don't like the tomatoes in the salad, what method of separating would you use to take out the tomatoes?

a)

sorting

b)

filtering

c)

using a magnet

d)

evaporation

42.
Jessica made a pitcher of lemonade. What can she do to dilute if she thinks it doesn't taste right?
a)
Add water
b)
Add sugar
c)
Boil the lemonade
d)
Put it in the refrigerator 
43.
Which one of the following solids is insoluble in water?
a)
sugar
b)
sand
c)
copper sulfate
d)
salt
44.

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

a)

Filter

b)

Screen

c)

Magnet

d)

Evaporation

45.

Which of the following is a method of separating solutions?

a)

hand seperation

b)

filtering

c)

screening

d)

evaporation

46.

The best way to separate trail mix would be:

a)

filter

b)

by hand

c)

sieve

d)

evaporation

47.

What tool is this?

a)

sieve

b)

filter

48.

This type of paper allows liquid to pass through it. What tool is it?

a)

sieve

b)

filter

49.

A solution of salt and water was put over heat. What will happen next?

a)

The salt will evaporate

b)

the salt and water evaporate

c)

the water will evaporate

50.

This method is used in separating soluble solid from a liquid such as salt from water.

a)

evaporation

b)

distillation

c)

decantation

d)

filtration

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