Question 1

With respect to reactivity at normal temperatures,nitrogen is best classified as

Accepted Answer

A) highly reactive. 
B) somewhat reactive. 
C) relatively unreactive. 
D) comparable to helium in its reactivity. 
A) highly reactive. 
B) somewhat reactive. 
C) relatively unreactive. 
D) comparable to helium in its reactivity.

Question 2

All except the most severe cases of CO poisoning are reversible.

Accepted Answer

A) True 
 B)False

Question 3

Low level carbon monoxide exposure over a long period of time places stress on the heart.

Accepted Answer

A) True 
 B)False

Question 4

What are the major industrial sources of acid rain?

Accepted Answer

power plan

Question 5

The concentration of which component of the atmosphere has increased dramatically since the beginning of the industrial era?

Accepted Answer

A) argon 
B) carbon dioxide 
C) sulfur dioxide 
D) krypton 
A) argon 
B) carbon dioxide 
C) sulfur dioxide 
D) krypton

Question 6

A secondary reaction in the formation of photochemical smog is

Accepted Answer

A) 2 NO + O₂ → 2 NO₂. 
B) NO₂ + sunlight → NO + O. 
C) O + O₂ → O₃. 
D) O₃ + hydrocarbons → aldehydes. 
A) 2 NO + O₂ → 2 NO₂. 
B) NO₂ + sunlight → NO + O. 
C) O + O₂ → O₃. 
D) O₃ + hydrocarbons → aldehydes.

Question 7

Identify a source of air pollution.

Accepted Answer

A) photosynthesis 
B) ozonolysis 
C) earthquakes 
D) wildfires 
A) photosynthesis 
B) ozonolysis 
C) earthquakes 
D) wildfires

Question 8

The greenhouse effect occurs because greenhouse gases,such as carbon dioxide,absorb infrared energy and prevent heat from escaping into space.

Accepted Answer

A) True 
 B)False

Question 9

According to the EPA,second-hand smoke is a Class A carcinogen.

Accepted Answer

A) True 
 B)False

Question 10

The day starts out bright and sunny.Later,a brown haze develops.This indicates the presence of

Accepted Answer

A) nitrogen dioxide. 
B) ozone. 
C) carbon monoxide. 
D) methane. 
A) nitrogen dioxide. 
B) ozone. 
C) carbon monoxide. 
D) methane.

Question 11

What percentage of hydrocarbons found in the atmosphere result from human activity?

Accepted Answer

A) 15% 
B) 35 % 
C) 55% 
D) 75% 
A) 15% 
B) 35 % 
C) 55% 
D) 75%

Question 12

Urban smog contains several air pollutants,including ozone.For a typical sunny day,when would you expect the concentration of ozone to be highest?

Accepted Answer

A) midnight 
B) 6 a.m. 
C) noon 
D) 6 p.m. 
A) midnight 
B) 6 a.m. 
C) noon 
D) 6 p.m.

Question 13

Air pollution is a worldwide problem today.

Accepted Answer

A) True 
 B)False

Question 14

In terms of reactivity,ozone is best classified as

Accepted Answer

A) very reactive. 
B) somewhat reactive. 
C) unreactive. 
D) similar to He. 
A) very reactive. 
B) somewhat reactive. 
C) unreactive. 
D) similar to He.

Question 15

Which of the following is most commonly used to remove sulfur dioxide from smokestack gases?

Accepted Answer

A) bag filtration 
B) electrostatic precipitators 
C) limestone-dolomite process 
D) wet scrubbers 
A) bag filtration 
B) electrostatic precipitators 
C) limestone-dolomite process 
D) wet scrubbers

Question 16

Air pollution was never a problem prior to 500 A.D.

Accepted Answer

A) True 
 B)False

Question 17

The second most abundant component of dry air is

Accepted Answer

A) argon. 
B) carbon dioxide. 
C) nitrogen. 
D) oxygen. 
A) argon. 
B) carbon dioxide. 
C) nitrogen. 
D) oxygen.

Question 18

Air pollution is primarily the result of human activity.

Accepted Answer

A) True 
 B)False

Question 19

When gasoline undergoes complete combustion,carbon dioxide and water are produced.However,these reactions are generally incomplete combustions,and there are side reactions which produce small amounts of harmful products.These pollutants include all of the following EXCEPT

Accepted Answer

A) carbon monoxide. 
B) lead. 
C) nitrogen oxides. 
D) volatile organic compounds. 
A) carbon monoxide. 
B) lead. 
C) nitrogen oxides. 
D) volatile organic compounds.

Question 20

Explain how ozone can be both an air pollutant and a necessary component in the earth's atmosphere.

Accepted Answer

Ozone can be both an air pollutant and a

Exam 13: Air

With respect to reactivity at normal temperatures,nitrogen is best classified as

All except the most severe cases of CO poisoning are reversible.

Low level carbon monoxide exposure over a long period of time places stress on the heart.

What are the major industrial sources of acid rain?

The concentration of which component of the atmosphere has increased dramatically since the beginning of the industrial era?

A secondary reaction in the formation of photochemical smog is

Identify a source of air pollution.

The greenhouse effect occurs because greenhouse gases,such as carbon dioxide,absorb infrared energy and prevent heat from escaping into space.

According to the EPA,second-hand smoke is a Class A carcinogen.

The day starts out bright and sunny.Later,a brown haze develops.This indicates the presence of

What percentage of hydrocarbons found in the atmosphere result from human activity?

Urban smog contains several air pollutants,including ozone.For a typical sunny day,when would you expect the concentration of ozone to be highest?

Air pollution is a worldwide problem today.

In terms of reactivity,ozone is best classified as

Which of the following is most commonly used to remove sulfur dioxide from smokestack gases?

Air pollution was never a problem prior to 500 A.D.

The second most abundant component of dry air is

Air pollution is primarily the result of human activity.

When gasoline undergoes complete combustion,carbon dioxide and water are produced.However,these reactions are generally incomplete combustions,and there are side reactions which produce small amounts of harmful products.These pollutants include all of the following EXCEPT

Explain how ozone can be both an air pollutant and a necessary component in the earth's atmosphere.

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