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Pure Substances and Mixtures Unit Test

Total questions: 28

Worksheet time: 7hrs 46mins

Name
Class
Date
1.

Drag and Drop each textbox into the correct spot in the diagram below to organize the classifications of matter.

2.

In which mixture can you see all of the parts?

a)

homogeneous

b)

heterogeneous

3.

In which mixture can you not see all of the parts?

a)

homogeneous

b)

heterogeneous

4.

Identify which images are HETEROGENEOUS MIXTURES! (Check all that apply)

a)
b)
c)
d)
5.
When a solvent contains as much of the solute as it can hold, the solution is said to be
a)
supersaturated
b)
diluted
c)
saturated
d)
unsaturated
6.

When making a fruit drink from a powdered mixture, water is the __________

a)

dissolving part

b)

solute

c)

solution

d)

solvent

7.

When making a fruit drink from a powdered mixture, the powdered mixture is the __________

a)

solution

b)

solvent

c)

solute

d)

particle

8.

What are the 3 Types of Matter?

a)

solids, liquids, and gasses

b)

solids, solutions, and mixtures

c)

liquids, salts, and solutions

9.

What is the process called when a solid becomes a gas?

a)

Deposition

b)

Melting

c)

Sublimation

d)

Evaporation

10.

What is the process called when a gas becomes a solid?

a)

Melting

b)

Freezing

c)

Sublimation

d)

Deposition

11.

What is the process called when a solid becomes a liquid?

a)

Melting

b)

Sublimation

c)

Deposition

d)

Freezing

12.

What is the process called when a liquid becomes a gas?

a)

Sublimation

b)

Evaporation

c)

Condensation

d)

Deposition

13.

What is the process called when a gas becomes a liquid?

a)

Sublimation

b)

Condensation

c)

Deposition

d)

Melting

14.

Particles have no empty spaces between them.

a)
True
b)
False
15.

What is the process called when a liquid becomes a solid?

a)

Deposition

b)

Melting

c)

Sublimation

d)

Freezing

16.

What is a diluted substance?

a)

When a substance does not dissolve in a solvent

b)

When a substance does dissolve in a solvent

c)

When there is a small amount of solute mixed in with a solvent

d)

When there is a large amount of solute and not enough solvent

17.

What does insoluble mean?

a)

When a substance does not dissolve in a solvent

b)

When a substance does dissolve in a solvent

c)

When there is a small amount of solute mixed in with a solvent

d)

When there is a large amount of solute and not enough solvent

18.

Water is often referred to as the ...

a)

ultimate mixture

b)

universal solvent

c)

ulitmate solution

d)

universal solute

19.

Match the following diagrams to there state of matter.

a)

1.

Liquid

b)

2.

Solid

c)

3.

Gas

20.

What is filtration?

a)

It is the separation of one substance from another by evaporation followed by condensation.

b)

It is the process that requires heat to evaporate a substance, leaving solids behind.

c)

It is the separation of various types of metals using a magnet.

d)

It is the separation of different particles using a sieve. The smaller particles will fall through this process while the larger particles stay behind.

e)

It is the process that uses a filter to remove solids from a liquid.

21.

What are three long-term effects of disposing of these hazardous materials in the environment?

a)

Water pollution

b)

Mutations of Animals and Marine Life

c)

Cancer

d)

Garbage in our natural water sources

e)

Human illnesses and diseases

22.

Particles only move when heated.

a)

True

b)

False

23.

All matter is made of particles

a)

True

b)

False

24.

The particles of one substance are identical.

a)
True
b)
False
25.

Temperature affects the speed at which particles move.

a)
True
b)
False
26.

Particles have forces of attraction between them

a)
True
b)
False
27.

What is the term for a solution that contains more solute than it can theoretically hold at a given temperature?

a)

Unsaturated

b)

Saturated

c)

Supersaturated

d)

Concentrated

28.

Cats are liquid.

a)

Yes

b)

No

c)

What????

d)

Uhhhh...