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Name: 
 

Classification of Matter



Modified True/False
Indicate whether the sentence or statement is true or false.  If false, change the identified word or phrase to make the sentence or statement true.
 

1. 

Substances are either elements or mixtures.  _______________

 

2. 

The odor of a substance is a physical property.  _______________

 

3. 

Smoke is a compound.  _______________

 

4. 

A substance can be separated into simpler parts through differences in their physical properties.  _______________

 

5. 

The law of conservation of mass states that the mass of all substances before a chemical change equals the mass of all the substances after the change.  _______________

 

6. 

Colloids are mixtures.  _______________

 

7. 

The freezing of water is a chemical change.  _______________

 

8. 

Homogeneous mixtures can be separated by physical properties.  _______________

 

9. 

Air pollution particles can be removed by coagulation.  _______________

 

10. 

A fruit salad is a homogeneous mixture.  _______________

 

11. 

Color is a physical property.  _______________

 

12. 

When a firecracker explodes, mass is lost.  _______________

 

13. 

All air pollutants are a result of human activity.  _______________

 

14. 

A suspension is a homogeneous mixture.  _______________

 

15. 

The breaking of a glass window is a physical change.  _______________

 

16. 

A colloid consisting of aluminum oxide is used to remove pollutants from water.  _______________

 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

17. 

Three examples of physical change are _____.
a.
boiling of water, bursting a balloon, and melting a candle
b.
burning of gasoline, rotting of an egg, and exploding fireworks
c.
freezing of water, evaporation of gasoline, and rusting a nail
d.
sawing of wood, crushing a can, and toasting a marshmallow
 

18. 

_____ is a substance.
a.
Lemonade
c.
Seawater
b.
Soil
d.
Steam
 

19. 

The color of ink is a _____.
a.
chemical change
c.
physical change
b.
chemical property
d.
physical property
 

20. 

Smoke is an example of a _____.
a.
colloid
b.
mixture
c.
solution
d.
substance
e.
suspension
 

21. 

When gasoline is burned in an engine, _____.
a.
gasoline evaporates
c.
mass is lost
b.
mass is gained
d.
new substances are formed
 

22. 

_____ is another name for a homogeneous mixture.
a.
Liquid
c.
Substance
b.
Solution
d.
Suspension
 

23. 

When two or more substances are combined so each substance maintains its own properties, the result is _____.
a.
a chemical change
c.
an element
b.
a compound
d.
a mixture
 

24. 

_____ is used to remove particles from water.
a.
Coagulation
c.
Suspension
b.
Burning
d.
Electricity
 

25. 

The scattering of light by colloids is called _____.
a.
air pollution
c.
suspension
b.
conservation
d.
the Tyndall effect
 

26. 

_____ is NOT homogeneous.
a.
A compound
c.
A solution
b.
An element
d.
A suspension
 

Yes/No
Indicate whether you agree with the sentence or statement.
 
 
You are given a flask that contains 250 mL of a clear, brown liquid. You shine a light through the liquid, and no light beam is visible. In the following list of items, record a Y if that item could be a valid inference for the liquid. Record an N if that item could not be a valid inference.
 

27. 

substance
 

28. 

colloid
 

29. 

solution of a solid in a liquid
 

30. 

suspension
 

31. 

solution of a liquid in a liquid
 

Matching
 
 
Match the labeled parts of Figure 9-1 to the correct terms below.

chapter_9_review_files/i0370000.jpg
 

32. 

pure element
 

33. 

mixture of two elements
 

34. 

pure compound
 

35. 

mixture of two compounds
 

36. 

mixture of a compound and an element
 



 
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