1. Chapter 12 Air: The Breath of Life
Chemistry for Changing Times, 11th edition
John W. Hill and Doris K. Kolb
Chapter 12 Air: The Breath of Life
James A. Noblet
California State University
San Bernardino, CA
 2007 Prentice Hall

2. The composition of Earth’s atmosphere in order of decreasing abundance is:
O2, N2, CO2, Ar
N2, O2, CO2, Ar
N2, O2, Ar, CO2
O2, N2, Ar, CO2
O2, CO2, N2, Ar

3. The composition of Earth’s atmosphere in order of decreasing abundance is:
O2, N2, CO2, Ar
N2, O2, CO2, Ar
N2, O2, Ar, CO2
O2, N2, Ar, CO2
O2, CO2, N2, Ar

4. The amber-colored gas that is a major component of photochemical smog and causes the typical brown haze is: NO
NO2 O3
SO2
SO3

5. The amber-colored gas that is a major component of photochemical smog and causes the typical brown haze is: NO
NO2 O3
SO2
SO3

6. A gas produced from burning fossil fuels, particularly coal, that contributes significantly to acid rain is_______.
CO2 O3 CO
PM10
SO2

7. A gas produced from burning fossil fuels, particularly coal, that contributes significantly to acid rain is_______.
CO2 O3 CO
PM10
SO2

8. Microwaves Infrared Ultraviolet X-rays Gamma rays
The ozone layer, found in the stratosphere, protects us from what type of harmful electromagnetic radiation?
Microwaves
Infrared
Ultraviolet
X-rays
Gamma rays

9. Microwaves Infrared Ultraviolet X-rays Gamma rays
The ozone layer, found in the stratosphere, protects us from what type of harmful electromagnetic radiation?
Microwaves
Infrared
Ultraviolet
X-rays
Gamma rays

10. The atmospheric gas primarily responsible for the greenhouse effect is _________.
NO2
SO2
H2O
CH4
CO2

11. The atmospheric gas primarily responsible for the greenhouse effect is _________.
NO2
SO2
H2O
CH4
CO2