Question 1

In the stratosphere, the reactivity of CFCs is

Accepted Answer

A)  low. 
B)  moderate. 
C)  high. 
D)  comparable to neon. 
A)  low. 
B)  moderate. 
C)  high. 
D)  comparable to neon.

Question 2

One of the effects of increased levels of CO2 in the atmosphere is that the acidity of oceans will decrease.

Accepted Answer

A) True 
 B)False

Question 3

The only symptom of carbon monoxide poisoning is usually ________.

Accepted Answer

The answer of The only symptom of carbon monoxide poisoning...

Question 4

Which is classified as a "greenhouse gas"?

Accepted Answer

A)  helium 
B)  oxygen 
C)  iodine 
D)  nitrous oxide 
A)  helium 
B)  oxygen 
C)  iodine 
D)  nitrous oxide

Question 5

Hydrofluorocarbons (HFCs) and hydrochlorofluorocarbons (HCFCs) are good substitutes for chlorofluorocarbons (CFCs) because

Accepted Answer

A)  they are also greenhouse gases. 
B)  C-F bonds will react more easily with hydroxyl radicals, so they are broken down before they reach the stratosphere. 
C)  C-H bonds will react more easily with hydroxyl radicals, so they are broken down before they reach the stratosphere. 
D)  they are too heavy to reach the stratosphere. 
A)  they are also greenhouse gases. 
B)  C-F bonds will react more easily with hydroxyl radicals, so they are broken down before they reach the stratosphere. 
C)  C-H bonds will react more easily with hydroxyl radicals, so they are broken down before they reach the stratosphere. 
D)  they are too heavy to reach the stratosphere.

Question 6

Gasoline-electric hybrid vehicles are significantly more efficient than conventional gasoline vehicles.

Accepted Answer

A) True 
 B)False

Question 7

Commercial airplanes fly in the

Accepted Answer

A)  biosphere. 
B)  stratosphere. 
C)  troposphere. 
D)  ionosphere. 
A)  biosphere. 
B)  stratosphere. 
C)  troposphere. 
D)  ionosphere.

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

Which of the following gases is most efficient at trapping atmospheric heat?

Accepted Answer

A)  carbon dioxide (CO2) 
B)  nitrogen trifluoride (NF3) 
C)  water (H2O) 
D)  methane (CH4) 
A)  carbon dioxide (CO2) 
B)  nitrogen trifluoride (NF3) 
C)  water (H2O) 
D)  methane (CH4)

Question 10

In the removal of pollution, the most expensive fraction of pollution to remove is the

Accepted Answer

A)  first fraction. 
B)  middle fractions. 
C)  last fraction. 
D)  The cost is constant across all fractions removed. 
A)  first fraction. 
B)  middle fractions. 
C)  last fraction. 
D)  The cost is constant across all fractions removed.

Question 11

Describe the oxygen cycle. Use specific examples to illustrate the cyclic nature of the cycle.

Accepted Answer

The oxygen cycle is the process by which

Question 12

All of the following gases come in part from natural sources EXCEPT

Accepted Answer

A)  carbon dioxide. 
B)  chlorofluorocarbons (CFCs). 
C)  sulfur dioxide. 
D)  hydrocarbons. 
A)  carbon dioxide. 
B)  chlorofluorocarbons (CFCs). 
C)  sulfur dioxide. 
D)  hydrocarbons.

Question 13

The primary 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 14

The ultimate source of radon in the environment is from the radioactive decay of naturally occurring

Accepted Answer

A)  uranium. 
B)  xenon. 
C)  thorium. 
D)  polonium. 
A)  uranium. 
B)  xenon. 
C)  thorium. 
D)  polonium.

Question 15

Hemoglobin is the blood protein responsible for the transport of oxygen. Carbon monoxide disturbs oxygen transport by

Accepted Answer

A)  destroying hemoglobin. 
B)  destroying oxygen in the lung. 
C)  binding more strongly to hemoglobin than oxygen. 
D)  destroying lung alveoli. 
A)  destroying hemoglobin. 
B)  destroying oxygen in the lung. 
C)  binding more strongly to hemoglobin than oxygen. 
D)  destroying lung alveoli.

Question 16

Unburned carbon produced during the inefficient burning of coal is called

Accepted Answer

A)  ash. 
B)  soot. 
C)  carbon dioxide. 
D)  clinkers. 
A)  ash. 
B)  soot. 
C)  carbon dioxide. 
D)  clinkers.

Question 17

Since 1980, the concentration of the six EPA criteria air pollutants has increased significantly.

Accepted Answer

A) True 
 B)False

Question 18

The most important of the minor components of dry air is

Accepted Answer

A)  argon. 
B)  carbon dioxide. 
C)  helium. 
D)  neon. 
A)  argon. 
B)  carbon dioxide. 
C)  helium. 
D)  neon.

Question 19

In the stratosphere, oxygen (O2) is converted to ozone (O3) by high energy ultraviolet light. When the equation is written and balanced using whole number coefficients, the coefficient of ozone is

Accepted Answer

A)  4. 
B)  3. 
C)  2. 
D)  1. 
A)  4. 
B)  3. 
C)  2. 
D)  1.

Question 20

The two principal sources of acid rain are ________ emissions from power plants and ________ emissions from automobiles and power plants.

Accepted Answer

A)  sulfur monoxide; ozone 
B)  ozone; nitrogen monoxide 
C)  carbon dioxide; nitrogen monoxide 
D)  sulfur dioxide; nitrogen monoxide 
A)  sulfur monoxide; ozone 
B)  ozone; nitrogen monoxide 
C)  carbon dioxide; nitrogen monoxide 
D)  sulfur dioxide; nitrogen monoxide

Exam 13: Air

In the stratosphere, the reactivity of CFCs is

One of the effects of increased levels of CO2 in the atmosphere is that the acidity of oceans will decrease.

The only symptom of carbon monoxide poisoning is usually ________.

Which is classified as a "greenhouse gas"?

Hydrofluorocarbons (HFCs) and hydrochlorofluorocarbons (HCFCs) are good substitutes for chlorofluorocarbons (CFCs) because

Gasoline-electric hybrid vehicles are significantly more efficient than conventional gasoline vehicles.

Commercial airplanes fly in the

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

Which of the following gases is most efficient at trapping atmospheric heat?

In the removal of pollution, the most expensive fraction of pollution to remove is the

Describe the oxygen cycle. Use specific examples to illustrate the cyclic nature of the cycle.

All of the following gases come in part from natural sources EXCEPT

The primary reaction in the formation of photochemical smog is

The ultimate source of radon in the environment is from the radioactive decay of naturally occurring

Hemoglobin is the blood protein responsible for the transport of oxygen. Carbon monoxide disturbs oxygen transport by

Unburned carbon produced during the inefficient burning of coal is called

Since 1980, the concentration of the six EPA criteria air pollutants has increased significantly.

The most important of the minor components of dry air is

In the stratosphere, oxygen (O2) is converted to ozone (O3) by high energy ultraviolet light. When the equation is written and balanced using whole number coefficients, the coefficient of ozone is

The two principal sources of acid rain are ________ emissions from power plants and ________ emissions from automobiles and power plants.

Chemistry

Atoms

Atomic Structure

Chemical Bonds

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Chemistry of the Earth

Water

Energy

Biochemistry

Food

Drugs

Fitness and Health

Chemistry Down on the Farm

Household Chemicals

Poisons

Filters

One of the effects of increased levels of CO₂ in the atmosphere is that the acidity of oceans will decrease.

In the stratosphere, oxygen (O₂) is converted to ozone (O₃) by high energy ultraviolet light. When the equation is written and balanced using whole number coefficients, the coefficient of ozone is

The two principal sources of acid rain are emissions from power plants and emissions from automobiles and power plants.