Question 1

The depletion of ozone is particularly serious at Earth's poles because

Accepted Answer

A) these cold areas experience little lightning. 
B) there are more industries in these areas. 
C) there is little O2 in these regions due to the earth's magnetic fields. 
D) polar "ice clouds" act as catalysts to convert HCl to Cl2. 
A) these cold areas experience little lightning. 
B) there are more industries in these areas. 
C) there is little O2 in these regions due to the earth's magnetic fields. 
D) polar "ice clouds" act as catalysts to convert HCl to Cl2.

Question 2

Which below is a CFC?

Accepted Answer

A) CFCl3 
B) CF2Cl2 
C) C2F3Cl3 
D) all of the 
E) None of these choices is correct. 
A) CFCl3 
B) CF2Cl2 
C) C2F3Cl3 
D) all of the 
E) None of these choices is correct.

Question 3

What are the primary pollutants from automobile exhaust?

Accepted Answer

NO,CO,and

Question 4

Which of these reactions is an example of nitrogen fixation?

Accepted Answer

A) 2N2O → 2N2 + O2 
B) NH3 + H2O → NH4+ + OH- 
C) N2 + O2 → 2NO 
D) 2NO2 + H2O → HNO2 + HNO3 
E) 2NO + O2 → 2NO2 
A) 2N2O → 2N2 + O2 
B) NH3 + H2O → NH4+ + OH- 
C) N2 + O2 → 2NO 
D) 2NO2 + H2O → HNO2 + HNO3 
E) 2NO + O2 → 2NO2

Question 5

Which of the following is not a greenhouse gas?

Accepted Answer

A) O3 
B) CO2 
C) NO 
D) O2 
E) Neither nor is a greenhouse gas 
A) O3 
B) CO2 
C) NO 
D) O2 
E) Neither nor is a greenhouse gas

Question 6

Ozone is destroyed naturally by the absorption of short-wavelength light.

Accepted Answer

A) True 
 B)False

Question 7

Mars has an atmosphere made mostly of oxygen.

Accepted Answer

A) True 
 B)False

Question 8

Plants extract phosphate from the soil

Accepted Answer

A) by converting it to the dihydrogen phosphate ion by addition of acid to the soil near roots. 
B) by converting it to phosphoric acid. 
C) by osmosis. 
D) by leaching. 
E) by fixation. 
A) by converting it to the dihydrogen phosphate ion by addition of acid to the soil near roots. 
B) by converting it to phosphoric acid. 
C) by osmosis. 
D) by leaching. 
E) by fixation.

Question 9

The process in which a gaseous substance is converted into a condensed,more usable chemical substance is called

Accepted Answer

A) differentiation. 
B) liquefaction. 
C) fixation. 
D) deposition. 
E) remediation. 
A) differentiation. 
B) liquefaction. 
C) fixation. 
D) deposition. 
E) remediation.

Question 10

Explain what occurs when excited molecules and ions return to their electronic ground state from their excited state.

Accepted Answer

emission o

Question 11

List three primary pollutants removed from automobile exhaust by catalytic converters.

Accepted Answer

CO,NO,unbu

Question 12

Nitric acid is converted to ______________ in the soil.

Accepted Answer

The answer of Nitric acid is converted to ______________ in...

Question 13

Which of the following are common indoor pollutants?

Accepted Answer

A) radon 
B) carbon dioxide 
C) carbon monoxide 
D) formaldehyde 
E) all of the 
A) radon 
B) carbon dioxide 
C) carbon monoxide 
D) formaldehyde 
E) all of the

Question 14

Which is not a characteristic property of a chlorofluorocarbon?

Accepted Answer

A) Relatively innert 
B) Readily liquified 
C) Toxic 
D) Use as coolants 
A) Relatively innert 
B) Readily liquified 
C) Toxic 
D) Use as coolants

Question 15

What is the name given the condition leading to the formation of ice particles over Antarctica?

Accepted Answer

A) polar ice caps (PICs) 
B) ice deposition (I
D)  
C) polymorphs (PMs) 
D) vortex traps (VTs) 
E) polar stratospheric clouds (PSCs) 
A) polar ice caps (PICs) 
B) ice deposition (I
D)  
C) polymorphs (PMs) 
D) vortex traps (VTs) 
E) polar stratospheric clouds (PSCs)

Question 16

About 80% of the total mass of air is in the

Accepted Answer

A) ionosphere. 
B) stratosphere. 
C) mesosphere. 
D) thermosphere. 
E) troposphere. 
A) ionosphere. 
B) stratosphere. 
C) mesosphere. 
D) thermosphere. 
E) troposphere.

Question 17

What are the common indoor pollutants?

Accepted Answer

CO,CO₂,and

Question 18

Which of these species is not an acidic oxide?

Accepted Answer

A) P4O10 
B) P4O6 
C) SO3 
D) CO 
E) SiO2 
A) P4O10 
B) P4O6 
C) SO3 
D) CO 
E) SiO2

Question 19

Currently the CO2 content of Earth's atmosphere is approximately

Accepted Answer

A) 1%. 
B) 20%. 
C) 25 ppm. 
D) 330 ppm. 
E) 600 ppm. 
A) 1%. 
B) 20%. 
C) 25 ppm. 
D) 330 ppm. 
E) 600 ppm.

Question 20

emphysema

Accepted Answer

A) 1 and 5 
B) 2 and 3 
C) 3 and 5 
D) 3 and 4 
E) 4 and 5 
A) 1 and 5 
B) 2 and 3 
C) 3 and 5 
D) 3 and 4 
E) 4 and 5

Exam 21: Environmental Chemistry

The depletion of ozone is particularly serious at Earth's poles because

Which below is a CFC?

What are the primary pollutants from automobile exhaust?

Which of these reactions is an example of nitrogen fixation?

Which of the following is not a greenhouse gas?

Ozone is destroyed naturally by the absorption of short-wavelength light.

Mars has an atmosphere made mostly of oxygen.

Plants extract phosphate from the soil

The process in which a gaseous substance is converted into a condensed,more usable chemical substance is called

Explain what occurs when excited molecules and ions return to their electronic ground state from their excited state.

List three primary pollutants removed from automobile exhaust by catalytic converters.

Nitric acid is converted to ______________ in the soil.

Which of the following are common indoor pollutants?

Which is not a characteristic property of a chlorofluorocarbon?

What is the name given the condition leading to the formation of ice particles over Antarctica?

About 80% of the total mass of air is in the

What are the common indoor pollutants?

Which of these species is not an acidic oxide?

Currently the CO2 content of Earth's atmosphere is approximately

emphysema

Chemistry: the Central Science

Atoms Molecules and Ions

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I Basic Concepts

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

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Currently the CO₂ content of Earth's atmosphere is approximately