Question 1

Where do sulfur dioxide and sulfuric acid cause the greatest harm?

Accepted Answer

A)   on the skin
B)   in the stomach
C)   in the respiratory tract
D)   in the intestines

Question 2

Which is not necessary for photochemical smog?

Accepted Answer

A)   sulfur dioxide
B)   sunlight
C)   free radicals
D)   nitrogen dioxide

Question 3

Which chemical would be most likely to react with sulfur dioxide and remove it from combustion gases?

Accepted Answer

A)   NO, nitric oxide
B)   NaCl, salt
C)   CaO, lime
D)   HNO3, nitric acid

Question 4

The actual pressure in an automobile tire is 49.2 lbs/in2. This is a little over three times atmospheric pressure at sea level.

Accepted Answer

A) True 
 B)False

Question 5

Aerosols enhance smog by

Accepted Answer

A)   concentrating pollutants.
B)   producing the fog part of smog.
C)   providing a reaction medium for the production of secondary pollutants such as H2SO4.
D)   all of the above

Question 6

Sulfur dioxide is given off by burning

Accepted Answer

A)   some coal.
B)   some petroleum.
C)   some wood.
D)   all of the above

Question 7

A secondary pollutant

Accepted Answer

A)   is less destructive than a primary pollutant.
B)   causes destruction on buildings but not on human beings.
C)   is produced by chemical reactions in the air.
D)   has a shorter lifetime in the atmosphere than that of a primary pollutant.

Question 8

When coal and fuel oil are burned, what two primary pollutants are formed?

Accepted Answer

A)   SO2 and CO2
B)   HNO3 and H2SO4
C)   CO and O3
D)   hydrocarbons and NO2

Question 9

Nitrogen dioxide in the air is involved in the production of which of the following air pollutants?

Accepted Answer

A)   ozone
B)   nitric acid
C)   nitrous acid.
D)   all of the above

Question 10

If the concentration of NO2 during rush hour peak in an urban area is 0.405 ppm, the percent concentration is_________%.

Accepted Answer

Question 11

Air with a ozone concentration of 0.0545 ppm has an air quality descriptor of "Good".

Accepted Answer

A) True 
 B)False

Question 12

Which pollutant can be removed by centrifuged separations?

Accepted Answer

A)   particulates
B)   sulfur dioxide
C)   carbon dioxide
D)   ozone

Question 13

Which substance would be present in the greatest concentration during the morning rush hour on a smoggy day in Los Angeles?

Accepted Answer

A)   NO
B)   O3
C)   NO2
D)   SO3

Question 14

Identify the type of pollution that is referred to as anthropogenic pollution.

Accepted Answer

A)   volcanic eruption
B)   forest fire
C)   nuclear reactor
D)   vents in Yellowstone

Question 15

The primary source of carbon monoxide (CO)  is

Accepted Answer

A)   the automobile.
B)   any burning process in the presence of a plentiful supply of air.
C)   from carbon dioxide.
D)   electrical power plants.

Question 16

Industrial smog contains ________________but normally photochemical smog does not.

Accepted Answer

The answer of Industrial smog contains ________________but normally photochemical smog...

Question 17

Which is not a method for removing particulates and aerosol pollutants from the atmosphere?

Accepted Answer

A)   rain and snow
B)   electrostatic precipitation
C)   scrubbing
D)   distillation

Question 18

The primary source of global SO2 in the atmosphere is believed to be

Accepted Answer

A)   forest fires.
B)   human activity.
C)   volcanoes.
D)   forests.

Question 19

Which source is responsible for the greatest NOx emissions in the United States?

Accepted Answer

A)   lightning
B)   biomass burning
C)   fossil fuel combustion
D)   microbial activity in soil

Question 20

What effect will exposure to an ozone concentration of 0.400 ppm have on an individual?

Accepted Answer

A)   none
B)   healthy
C)   unhealthy
D)   cannot be determined

Exam 4: The Air We Breathe

Which pollutant can be removed by centrifuged separations?

Correct AnswerverifiedShow Answer

What effect will exposure to an ozone concentration of 0.400 ppm have on an individual?

Correct AnswerverifiedShow Answer

If the concentration of NO2 during rush hour peak in an urban area is 0.405 ppm, the percent concentration is_________%.

Correct AnswerverifiedShow Answer

Which is not a method for removing particulates and aerosol pollutants from the atmosphere?

Correct AnswerverifiedShow Answer

Which chemical would be most likely to react with sulfur dioxide and remove it from combustion gases?

Correct AnswerverifiedShow Answer

Aerosols enhance smog by

Correct AnswerverifiedShow Answer

Which is not necessary for photochemical smog?

Correct AnswerverifiedShow Answer

A secondary pollutant

Correct AnswerverifiedShow Answer

The primary source of global SO2 in the atmosphere is believed to be

Correct AnswerverifiedShow Answer

Which source is responsible for the greatest NOx emissions in the United States?

Correct AnswerverifiedShow Answer

Which substance would be present in the greatest concentration during the morning rush hour on a smoggy day in Los Angeles?

Correct AnswerverifiedShow Answer

Air with a ozone concentration of 0.0545 ppm has an air quality descriptor of "Good".

Correct AnswerverifiedShow Answer

Sulfur dioxide is given off by burning

Correct AnswerverifiedShow Answer

Nitrogen dioxide in the air is involved in the production of which of the following air pollutants?

Correct AnswerverifiedShow Answer

Identify the type of pollution that is referred to as anthropogenic pollution.

Correct AnswerverifiedShow Answer

Industrial smog contains ________________but normally photochemical smog does not.

Correct AnswerverifiedShow Answer

Where do sulfur dioxide and sulfuric acid cause the greatest harm?

Correct AnswerverifiedShow Answer

When coal and fuel oil are burned, what two primary pollutants are formed?

Correct AnswerverifiedShow Answer

The actual pressure in an automobile tire is 49.2 lbs/in2. This is a little over three times atmospheric pressure at sea level.

Correct AnswerverifiedShow Answer

The primary source of carbon monoxide (CO) is

Correct AnswerverifiedShow Answer

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If the concentration of NO₂ during rush hour peak in an urban area is 0.405 ppm, the percent concentration is_________%.

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The primary source of global SO₂ in the atmosphere is believed to be

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The actual pressure in an automobile tire is 49.2 lbs/in². This is a little over three times atmospheric pressure at sea level.

Correct Answer
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