Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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In a
titration, the ____ is the point at which the indicator changes color and stays that
way. a. | acid
point | c. | pH
point | b. | endpoint | d. | standard point | | | | |
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2.
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In a
titration, the ____ is the solution for which the concentration is known. a. | indicator | c. | normal
solution | b. | hydrate | d. | standard solution | | | | |
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3.
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A(n) ____ is
a substance that produces H+ ions in a water solution. a. | acid | c. | salt | b. | base | d. | alcohol | | | | |
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4.
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A(n) ____ is
a substance that produces OH- ions in a solution. a. | acid | c. | salt | b. | base | d. | alcohol | | | | |
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5.
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____ change
color in the presence of an acid or a base. a. | Acids | c. | Buffers | b. | Glycerins | d. | Indicators | | | | |
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6.
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A(n) ____
comes from an alcohol that is not a base but has a hydroxyl group. a. | ester | c. | salt | b. | glycerin | d. | soap | | | | |
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7.
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A bitter
taste and a slippery feel are clues that a solution is probably a(n) ____. a. | acid | c. | hydrate | b. | base | d. | salt | | | | |
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8.
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____ of a
solution refers to the ease with which an acid or base forms ions in solution. a. | Acidity | c. | pH | b. | Concentration | d. | Strength | | | | |
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9.
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Polyesters
are fibers made of ____. a. | glycerin | c. | many esters | b. | two esters | d. | organic salts | | | | |
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10.
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Blood
contains compounds called ____ that allow small amounts of acids or bases to be absorbed without
harmful effects. a. | esters | c. | enzymes | b. | buffers | d. | precipitates | | | | |
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