Biology Quiz 2-1 And 2-2: Question Preview (ID: 32326)


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Water is the greatest solute in the world
a) True b) False c) d)
Buffers are weak acids or bases that can react with strong acids or bases to prevent sudden changes in pH.
a) True b) False c) d)
A solution with a pH of 13 would be considered a strong acid.
a) True b) False c) d)
Bases have a pH range between 0 and 7.
a) True b) False c) d)
A solution with a pH of 7 would be considered neutral.
a) True b) False c) d)
The most abundant compound in living things is
a) carbon dioxide b) water c) sodium chloride d) sugar
Water molecules are polar because
a) the oxygen side is slightly positive and the hydrogen side is slightly negative b) the oxygen and hydrogen sides are equally positive c) the oxygen and hydrogen sides are slightly negative d) the oxygen side is slightly negative and the hydrogen side is slightly positive
If you stir salt into boiling water, you produce a(n)
a) suspension b) solution c) a solution and suspension d) colloid
When salt is dissolved in water, water is the
a) reactant b) solution c) sloute d) solvent
Suspensions are mixtures
a) of water and undissolved materials b) in which the components are evenly distributed c) of both A and B d) of neither A or B
Acids have a pH range of
a) 0-14 b) 7-17 c) 0-7 d) 0-3
Bases have a pH range between
a) 0-7 b) 0-14 c) 7-14 d) 7 or neutral
A pH neutral solution would have a ph of
a) 2 b) 7 c) 9 d) 14
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