True/False
Indicate whether the
statement is true or false.
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1.
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A substance that has a pH of 8.5 is 100 times more alkaline than a substance
with a pH of 7.5.
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2.
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Rain is naturally acidic.
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Completion
Complete each
statement.
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3.
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Most air pollution is trapped in the _______________ which is where we
live.
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4.
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If a substance has a pH of 5.8, this substance is considered to be
________________.
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Matching
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Match the following terms and definitions. a. | air | e. | carbon dioxide | b. | air
pollution | f. | nitrous
oxides | c. | atmosphere | g. | catalytic converter | d. | fossil fuels | h. | pH scale |
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5.
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a scale developed to measure the alkalinity or acidity of a substance
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6.
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are compounds that contain nitrogen and oxygen and are generally produced by
the burning of fossil fuels
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7.
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coal, oil and natural gas formed from the remains of ancient plant and animal
life
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8.
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the whole mass of air surrounding the Earth
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9.
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the soiling of the atmosphere by containments to the point that it may injure
health, property, plant or animal life.
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10.
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a colorless, odorless, tasteless mixture of gases
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