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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A(n) ____ is
a substance that produces OH- ions in a solution. a. | acid | c. | salt | b. | base | d. | alcohol | | | | |
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3.
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____
measures how acidic or basic a substance is. a. | An ester | c. | pH | b. | A base | d. | The hydronium ion | | | | |
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4.
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A ____ is a
compound formed in solution from the negative ion of an acid and the positive ion of a
base. a. | detergent | c. | salt | b. | glycerin | d. | soap | | | | |
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5.
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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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6.
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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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7.
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Ammonia is a
weak base because it produces ____ ions in solution. a. | strong | c. | only a
few | b. | weak | d. | many | | | | |
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8.
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A base that
only partly ionizes in a solution is a ____ base. a. | concentrated | c. | strong | b. | dilute | d. | weak | | | | |
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9.
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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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10.
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To
neutralize gastric juices in your stomach, antacids contain ____. a. | bases | c. | hydronium
ions | b. | H+
ions | d. | phenolphthalein | | | | |
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