Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

Mars has an atmosphere made mostly of oxygen.

Accepted Answer

A) True 
 B)False

Question 3

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.F) B) and D)
G) B) and C)

Question 4

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

Accepted Answer

emission o...

Question 5

Which of the following are common indoor pollutants?

Accepted Answer

A)  radon
B)  carbon dioxide
C)  carbon monoxide
D)  formaldehyde
E)  all of theF) A) and E)
G) A) and C)

Question 6

emphysema

Accepted Answer

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

Question 7

Which of these species is not an acidic oxide?

Accepted Answer

A)  P4O10
B)  P4O6
C)  SO3
D)  CO
E)  SiO2F) All of the above
G) A) and E)

Question 8

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 gasF) A) and E)
G) B) and D)

Question 9

What are the primary pollutants from automobile exhaust?

Accepted Answer

NO,CO,and ...

Question 10

Nitric acid is converted to ______________ in the soil.

Accepted Answer

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

Question 11

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.E) A) and B)
F) B) and D)

Question 12

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

Accepted Answer

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

Question 13

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.F) A) and B)
G) A) and C)

Question 14

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

Accepted Answer

CO,NO,unbu...

Question 15

Which below is a CFC?

Accepted Answer

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

Question 16

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.F) A) and E)
G) A) and B)

Question 17

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) F) B) and D)
G) All of the above

Question 18

Which is not a characteristic property of a chlorofluorocarbon?

Accepted Answer

A)  Relatively innert
B)  Readily liquified
C)  Toxic
D)  Use as coolantsE) A) and C)
F) A) and B)

Question 19

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 → 2NO2F) C) and D)
G) C) and E)

Question 20

What are the common indoor pollutants?

Accepted Answer

CO,CO₂,and ...

Exam 21: Environmental Chemistry

Nitric acid is converted to ______________ in the soil.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which below is a CFC?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Mars has an atmosphere made mostly of oxygen.

Correct AnswerverifiedShow Answer

Which of these species is not an acidic oxide?

Correct AnswerverifiedShow Answer

Which of the following is not a greenhouse gas?

Correct AnswerverifiedShow Answer

What are the common indoor pollutants?

Correct AnswerverifiedCO,CO2,and ...View AnswerShow Answer

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

Correct Answerverifiedemission o...View AnswerShow Answer

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

Correct AnswerverifiedCO,NO,unbu...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following are common indoor pollutants?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Plants extract phosphate from the soil

Correct AnswerverifiedShow Answer

Which is not a characteristic property of a chlorofluorocarbon?

Correct AnswerverifiedShow Answer

What are the primary pollutants from automobile exhaust?

Correct AnswerverifiedNO,CO,and ...View AnswerShow Answer

emphysema

Correct AnswerverifiedShow Answer

Which of these reactions is an example of nitrogen fixation?

Correct AnswerverifiedShow Answer

Currently the CO2 content of Earth's atmosphere is approximately

Correct AnswerverifiedShow Answer

Correct Answer
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CO,CO₂,and ...
View Answer

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emission o...
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CO,NO,unbu...
View Answer

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NO,CO,and ...
View Answer

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Currently the CO₂ content of Earth's atmosphere is approximately

Correct Answer
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