Modified True/False
Indicate
whether the sentence or statement is true or false. If false, change the identified word or
phrase to make the sentence or statement true.
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1.
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Substances are either elements or mixtures. _______________
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2.
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The
odor of a substance is a physical property. _______________
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3.
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Smoke
is a compound. _______________
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4.
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A
substance can be separated into simpler parts through differences in their physical
properties. _______________
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5.
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Colloids are mixtures. _______________
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6.
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The
freezing of water is a chemical change. _______________
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7.
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Homogeneous mixtures can be separated by physical properties.
_______________
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8.
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A
fruit salad is a homogeneous mixture. _______________
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9.
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Color
is a physical property. _______________
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10.
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A
suspension is a homogeneous mixture. _______________
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11.
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The
breaking of a glass window is a physical change. _______________
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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12.
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Smoke
is an example of a _____. a. | colloid | b. | mixture | c. | solution | d. | substance | e. | suspension | | |
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13.
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_____
is another name for a homogeneous mixture. a. | Liquid | c. | Substance | b. | Solution | d. | Suspension | | | | |
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14.
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When
two or more substances are combined so each substance maintains its own properties, the result is
_____. a. | a chemical
change | c. | an
element | b. | a compound | d. | a mixture | | | | |
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15.
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The
scattering of light by colloids is called _____. a. | air pollution | c. | suspension | b. | conservation | d. | the Tyndall
effect | | | | |
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16.
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_____
is NOT homogeneous. a. | A compound | c. | A solution | b. | An
element | d. | A
suspension | | | | |
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Yes/No
Indicate whether you agree with the sentence or
statement.
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You are given a flask that contains 250 mL of a clear, brown liquid. You shine a
light through the liquid, and no light beam is visible. In the following list of items, record a
Y if that item could be a valid inference for the liquid. Record an N if
that item could not be a valid inference.
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17.
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substance
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18.
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colloid
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19.
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solution of a solid in a liquid
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20.
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suspension
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21.
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solution of a liquid in a liquid
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Completion
Complete each sentence or
statement.
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22.
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The
particles that make up all matter are called _______________.
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23.
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Matter is classified as _______________ and mixtures.
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24.
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A
colloid is a(n) _______________ mixture.
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25.
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One
type of air pollution is the colloid that is known to the public as _______________.
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26.
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Most
larger particles are removed from water by _______________.
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27.
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When
sugar and sand are mixed together, the properties of the final substances are _______________ those
of the beginning substances.
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Matching
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Match the labeled parts of Figure 9-1 to the correct terms
below.
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28.
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pure
element
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29.
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mixture of two elements
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30.
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pure
compound
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31.
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mixture of two compounds
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32.
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mixture of a compound and an element
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