Glencoe Biology

Section 3: Water and Solutions

Self-Check Quizzes-English

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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