7.2 - Photochemical Smog Exam Questions & Answers.
1. photochemic
a class of air pollutants formed as a result of sunlight acting on
al oxidants
compounds such as nitrogen oxides
2. Role of
Breaks an oxygen atom ott of NO2, driving the formation of ozone (O3)
sunlight in
smog forma-
tion
3. Environment Surrounding mountains can block air flow from dispersing smog.
al factors Geographical basins are also susceptible to smog formation that isn't
affecting dispersed by wind.
smog
formation
4. Nitrogen oxide (NOx) Major source is auto exhaust. Primary and secondary ettects
include acid- ification of lakes, respiratory irritation, leads to smog and
ozone. Reduced using catalytic converters in cars
5. VOCs group of primary pollutants that are carbon-based and easily evaporate
(volatile at room temperature. gasoline, formaldehyde, dry-cleaning fluids,
organic
naturally from conifer- ous trees ; component of photochemical smog
com-
pounds) Potent VOCs that are present in high concentrations in urban areas.
Especially volatile during warmer summer months as heat drives faster
6. Formaldehyd
evaporation
e and
gasoline
Coniferous (pine) trees
7. Natural
VOCs
sources
8. Respiratory irrita- Damage, irritation, inflammation in the respiratory pathways like the
trachea,
tion bronchioles, and aveoli (air sacs in the lungs). Caused by SOx, PM, Ozone,
1/
3
1. photochemic
a class of air pollutants formed as a result of sunlight acting on
al oxidants
compounds such as nitrogen oxides
2. Role of
Breaks an oxygen atom ott of NO2, driving the formation of ozone (O3)
sunlight in
smog forma-
tion
3. Environment Surrounding mountains can block air flow from dispersing smog.
al factors Geographical basins are also susceptible to smog formation that isn't
affecting dispersed by wind.
smog
formation
4. Nitrogen oxide (NOx) Major source is auto exhaust. Primary and secondary ettects
include acid- ification of lakes, respiratory irritation, leads to smog and
ozone. Reduced using catalytic converters in cars
5. VOCs group of primary pollutants that are carbon-based and easily evaporate
(volatile at room temperature. gasoline, formaldehyde, dry-cleaning fluids,
organic
naturally from conifer- ous trees ; component of photochemical smog
com-
pounds) Potent VOCs that are present in high concentrations in urban areas.
Especially volatile during warmer summer months as heat drives faster
6. Formaldehyd
evaporation
e and
gasoline
Coniferous (pine) trees
7. Natural
VOCs
sources
8. Respiratory irrita- Damage, irritation, inflammation in the respiratory pathways like the
trachea,
tion bronchioles, and aveoli (air sacs in the lungs). Caused by SOx, PM, Ozone,
1/
3
