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Biology Quiz 2-1 And 2-2
Test Description: Bio quiz
Instructions: Answer all questions to get your test result.
1) Water is the greatest solute in the world
A
False
B
True
2) Buffers are weak acids or bases that can react with strong acids or bases to prevent sudden changes in pH.
A
True
B
False
3) A solution with a pH of 13 would be considered a strong acid.
A
False
B
True
4) Bases have a pH range between 0 and 7.
A
False
B
True
5) A solution with a pH of 7 would be considered neutral.
A
False
B
True
6) The most abundant compound in living things is
A
sodium chloride
B
water
C
carbon dioxide
D
sugar
7) Water molecules are polar because
A
the oxygen side is slightly positive and the hydrogen side is slightly negative
B
the oxygen side is slightly negative and the hydrogen side is slightly positive
C
the oxygen and hydrogen sides are slightly negative
D
the oxygen and hydrogen sides are equally positive
8) If you stir salt into boiling water, you produce a(n)
A
colloid
B
suspension
C
solution
D
a solution and suspension
9) When salt is dissolved in water, water is the
A
solvent
B
reactant
C
sloute
D
solution
10) Suspensions are mixtures
A
of water and undissolved materials
B
of neither A or B
C
of both A and B
D
in which the components are evenly distributed
11) Acids have a pH range of
A
7-17
B
0-3
C
0-7
D
0-14
12) Bases have a pH range between
A
7 or neutral
B
7-14
C
0-7
D
0-14
13) A pH neutral solution would have a ph of
A
14
B
9
C
2
D
7
*select an answer for all questions
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