Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which of the following is NOT a physical property of water?
a. | It has a boiling point of 100 C. | b. | It is a colorless
liquid. | c. | It is composed of hydrogen and oxygen. | d. | Sugar dissolves in
it. |
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2.
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Which state of matter takes both the shape and volume of its container?
a. | solid | c. | gas | b. | liquid | d. | both b and c |
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3.
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Which of the following is used for chemical symbols today?
a. | drawings | c. | letters | b. | icons | d. | numbers |
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4.
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Which of the following represents a compound?
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5.
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Which of the following is a chemical property?
a. | color | c. | freezing point | b. | hardness | d. | ability to react with
oxygen |
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6.
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A chemical change occurs when a piece of wood ____.
a. | is split | c. | decays | b. | is painted | d. | is cut |
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7.
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Which of the following does NOT indicate that a chemical change may have taken
place?
a. | fracture formation | c. | precipitate formation | b. | gas
production | d. | energy
transfer |
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8.
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Which group of measurements is the most precise? (Each group of measurements is
for a different object.)
a. | 2 g, 3 g, 4 g | c. | 2 g, 2.5 g, 3 g | b. | 2.0 g, 3.0 g, 4.0 g | d. | 1 g, 3 g, 5 g |
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9.
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What is the volume of a salt crystal measuring 2.44  10  m by
1.4  10  m by 8.4  10  m?
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10.
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A vapor is which state of matter?
a. | solid | c. | gas | b. | liquid | d. | all of the
above |
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11.
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A substance that forms a vapor is generally in what physical state at room
temperature?
a. | solid | c. | gas | b. | liquid | d. | liquid or solid |
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12.
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Which of the following is a heterogeneous mixture?
a. | air | c. | steel | b. | salt water | d. | soil |
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13.
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What is the result of multiplying 2.5  10  by 3.5 
10  ?
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14.
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Which of the following measurements is expressed to three significant
figures?
a. | 0.007 m | c. | 7.30  10 km | b. | 7077
mg | d. | 0.070
mm |
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15.
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What is the measurement 111.009 mm rounded off to four significant
digits?
a. | 111 mm | c. | 111.01 mm | b. | 111.0 mm | d. | 110 mm |
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16.
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Express the product of 4.0  10  m and 8.1 
10  m using the correct number of significant digits.
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17.
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Which of the following volumes is the smallest?
a. | one microliter | c. | one milliliter | b. | one liter | d. | one deciliter |
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18.
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An example of an extensive property of matter is ____.
a. | temperature | c. | mass | b. | pressure | d. | hardness |
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19.
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Which state of matter has a definite volume and takes the shape of its
container?
a. | solid | c. | gas | b. | liquid | d. | both b and c |
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20.
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Which of the following is true about homogeneous mixtures?
a. | They are known as solutions. | b. | They consist of two or more
phases. | c. | They have compositions that never vary. | d. | They are always
liquids. |
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21.
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Which of the following measurements contains two significant figures?
a. | 0.004 00 L | c. | 0.000 44 L | b. | 0.004 04 L | d. | 0.004 40 L |
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22.
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What quantity is represented by the metric system prefix deci-?
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23.
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The weight of an object ____.
a. | is the same as its mass | c. | is not affected by
gravity | b. | depends on its location | d. | is always the same |
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24.
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What is the volume of 80.0 g of ether if the density of ether is 0.70
g/mL?
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25.
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If the temperature of a piece of steel decreases, what happens to its
density?
a. | The density decreases. | b. | The density increases. | c. | The density does not
change. | d. | The density first increases, then decreases. |
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