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Solutions Mixtures and Colloids

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. 

Colloids are mixtures.  _______________

 

6. 

The freezing of water is a chemical change.  _______________

 

7. 

Homogeneous mixtures can be separated by physical properties.  _______________

 

8. 

A fruit salad is a homogeneous mixture.  _______________

 

9. 

Color is a physical property.  _______________

 

10. 

A suspension is a homogeneous mixture.  _______________

 

11. 

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

 

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

12. 

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

13. 

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

14. 

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
 

15. 

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

16. 

_____ 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.
 

17. 

substance
 

18. 

colloid
 

19. 

solution of a solid in a liquid
 

20. 

suspension
 

21. 

solution of a liquid in a liquid
 

Completion
Complete each sentence or statement.
 

22. 

The particles that make up all matter are called _______________.
 

 

23. 

Matter is classified as _______________ and mixtures.
 

 

24. 

A colloid is a(n) _______________ mixture.
 

 

25. 

One type of air pollution is the colloid that is known to the public as _______________.
 

 

26. 

Most larger particles are removed from water by _______________.
 

 

27. 

When sugar and sand are mixed together, the properties of the final substances are _______________ those of the beginning substances.
 

 

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

mixtures_files/i0340000.jpg
 

28. 

pure element
 

29. 

mixture of two elements
 

30. 

pure compound
 

31. 

mixture of two compounds
 

32. 

mixture of a compound and an element
 



 
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