Glencoe Biology

Section 3: Water and Solutions

Self-Check Quizzes

1.
A ____ is a heterogenous mixture in which the particles do not settle.
A)solution
B)suspension
C)colloid
D)solvents
2.
Acid solutions are produced by the release of ____ ions.
A)potassium
B)hydrogen
C)oxygen
D)sodium
3.
Which statement is true based on this scale?
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A)Seawater has a higher concentration of hydrogen than tomatoes.
B)Tomatoes have a higher concentration of hydrogen than seawater.
C)Blood has no hydrogen ions.
D)Household ammonia is neutral.
4.
How do solutes and solvents interact?
A)solvents change the properties of solutes
B)solvents dissolve in solutes
C)solutes change the properties of solvents
D)solutes dissolve in solvents
5.
How do buffers help maintain homeostasis?
A)neutralize acids and bases
B)raise pH above 9
C)lower pH below 4
D)remove all hydrogen ions
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