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Separating Mixtures

Total questions: 30

Worksheet time: 14mins

Name
Class
Date
1.

This method separates dissolved substances based on differences in how well they dissolve in a solvent.

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

2.

This method requires the use of a condenser.

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

3.

Filtration can be used to separate the atoms in a compound.

a)

TRUE

b)

FALSE

4.

Substances in a mixture can be separated by physical methods.

a)

TRUE

b)

FALSE

5.

This method separates substances due to differences in the sizes of their particles.

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

6.

If a substance is insoluble in water, it ___________.

a)

dissolves in water

b)

cannot dissolve in water

c)

forms a solution when mixed with water

d)

cannot be separated from water

7.

Which method(s) separate substances based on them having different boiling points? (Select all that apply).

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

8.

Which method is this a picture of?

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

9.

Which method is this a picture of?

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

10.

Which method has a solid and a gas as the final products?

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

11.

What is the process of separating soluble solids from liquid through heating?

a)

Evaporation

b)

Filtration

c)

Picking

d)

Sieving

12.

In evaporation process, liquid becomes _____ when heated.

a)

Ice cubes

b)

Plasma

c)

Solid

d)

Vapor

13.

Which of the following situation shows evaporation process?

a)

Drying of clothes under the heat of the sun

b)

Filtering of sand and water

c)

Freezing of water in the freezer

d)

Flooding of water in the river

14.

Mariel leaves a glass of water outside the house. As days go by, the amount of water becomes less. What do you think is the reason for this?

a)

Insects sipped the water

b)

Water in the container was not changed

c)

Water in the container evaporated

d)

Mother accidentally throw the water in the glass

15.
a)

HANDPICKING

b)

SIEVING

c)

USING MAGNETS

d)

WINNOWING

16.
a)

SEDIMENTATION

b)

DECANTATION

c)

WINNOWING

d)

HANDPICKING

17.
a)

SEDIMENTATION

b)

WINNOWING

c)

DECANTATION

d)

HANDPICKING

18.
a)

FILTRATION

b)

SEDIMENTATION

c)

HANDPICKING

d)

WINNOWING

19.
a)

FILTRATION

b)

SEDIMENTATION

c)

WINNOWING

d)

HANDPICKING

20.
a)

SIEVING

b)

SEDIMENTATION

c)

WINNOWING

d)

HANDPICKING

21.

This method is a technique used in separating a less-dense substance from a denser one.

a)

decantation

b)

evaporation

c)

distillation

d)

filtration

22.

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

23.

This involves using a strainer or a big screen to separate the components of solid mixtures.

a)

chromatography

b)

distillation

c)

sieving

d)

physical manipulation

24.

This method is used to separate metals from non metals.

a)

use of magnet

b)

physical manipulation

c)

sieving

d)

chromatography

25.

This method is useful in a pharmaceutical industry in determining the amount of each chemical in each product.

a)

distillation

b)

chromatography

c)

sieving

d)

decantation

26.

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

a)

evaporation

b)

distillation

c)

decantation

d)

filtration

27.

Which environmental problems can be separated by physical manipulation?

a)

garbage in the landfill

b)

flood

c)

global warming

d)

contaminated rivers and lakes

28.
How do you separate iron filings from sand?
a)
You can use a filter.
b)
You can use a fagnet.
c)
You can use a magnet.
d)
You can use all of the methods!
29.

What mixture could I use this type of tool to separate?

a)

oil and water

b)

sugar and sand

c)

salt and corn flour

d)

pebbles and baby powder

30.

You are using a sieve and pouring a flour and sugar mixture through it. Both substances pass through. Why is this?

a)

They are the same size.

b)

They have different masses.

c)

This separates them easily.

d)

They are the same color.