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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At
constant temperature, the pressure exerted by a gas is directly proportional to its volume.
____________________
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2.
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As
you rise higher in altitude, the boiling point of water decreases due to the decrease in air
pressure. ____________________
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3.
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Car
manufacturers recommend that you check and adjust the air pressure in your car tires when the tires
are cold. ____________________
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4.
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Under
the Kyoto Protocol, Canada must reduce its emissions of CFCs.
____________________
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5.
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Ground-level ozone is formed by the following
reactions:
NO2(g) + sunlight ® NO(g) + O(g)
O(g)
+ O2(g) ® O3(g)
____________________
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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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6.
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The
volume of a gas can be reduced by increasing the pressure acting on the gas (assuming constant
temperature). The difference in volume is best explained by which property of gases? a. | Gas molecules
tend to move in a straight line. | b. | Gas molecules are very small. | c. | Gas molecules
only collide with one another. | d. | Gas molecules are very far apart at low
pressure. | | |
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7.
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Which
of the following is NOT a property of gases? a. | Gases are compressible. | b. | Gases have
variable shape and volume. | c. | Gases expand to fill their container. | d. | Gases can have
densities that are greater than 1.0 g/mL, the density of water. | | |
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8.
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Doubling the pressure while keeping the temperature constant causes the volume of a
gas to change from 1000 mL to a. | 500 mL | c. | 1100 mL | b. | 1000
mL | d. | 2000
mL | | | | |
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9.
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Which
of the following is NOT a greenhouse gas? a. | carbon dioxide | c. | methane | b. | ozone | d. | CFCs | | | | |
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10.
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Which
of the following is NOT a component of “smog”? a. | stratospheric
ozone | c. | fine
particles | b. | ground-level ozone | d. | VOCs | | | | |
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