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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When two or
more substances are combined so each substance can be separated by physical means, the result is
a(n)____. a. | chemical
change | c. | compound | b. | mixture | d. | element | | | | |
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2.
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Fog is an
example of a ____. a. | colloid | c. | compound | b. | substance | d. | solution | | | | |
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3.
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The shape of
an apple is a ____. a. | chemical change | c. | physical change | b. | chemical
property | d. | physical
property | | | | |
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4.
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A ____ is
NOT a mixture. a. | solution | c. | suspension | b. | colloid | d. | compound | | | | |
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5.
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The
scattering of light by colloids is called ____. a. | air pollution | c. | The Tyndall effect | b. | suspension | d. | conservation | | | | |
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6.
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____ is NOT
a homogeneous mixture. a. | Glue | c. | Permanent-press fabric | b. | Vinegar | d. | Gelatin | | | | |
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7.
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____ is
another name for a homogeneous mixture. a. | Suspension | c. | Liquid | b. | Substance | d. | Solution | | | | |
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8.
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Three
examples of physical change are ____. a. | freezing of water, evaporation of gasoline, and rusting a
nail | b. | burning of gasoline,
rotting of an egg, and exploding fireworks | c. | boiling of water, bursting of a balloon, and crumpling a piece of
paper | d. | sawing of wood, crushing a can, and toasting a
marshmallow | | |
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9.
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When a log
burns in a fire, ____. a. | mass is lost | c. | a physical change has occurred | b. | new substances are
formed | d. | mass is
gained | | | | |
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