Atmospheric Chemistry and Air Pollution Quiz

What is the primary focus of atmospheric chemistry?

• Study of geological formations

• Study of ocean currents

• Study of Earth's atmosphere and other planets

• Study of terrestrial ecosystems

Which gas is the predominant organic species in an unpolluted atmosphere?

• Nitrogen

• Methane

• Ozone

• Carbon dioxide

What is the major component of the Earth's atmosphere?

• Argon

• Nitrogen

• Carbon dioxide

• Oxygen

Which layer of the atmosphere is characterized by decreasing temperature with increasing altitude?

• Thermosphere

• Mesosphere

• Troposphere

• Stratosphere

What is the role of the hydroxyl radical (HO•) in atmospheric chemistry?

• It is a major greenhouse gas

• It is a primary pollutant

• It is a reactive intermediate

• It absorbs UV radiation

What phenomenon occurs when temperature increases with altitude, trapping pollutants?

• Photochemical smog

• Acid rain

• Greenhouse effect

• Thermal inversion

Which of the following is a primary pollutant?

• Photochemical smog

• Ozone

• Nitrogen dioxide

• Sulfur dioxide

What is the main source of atmospheric ammonia?

• Industrial emissions

• Volcanic eruptions

• Biodegradation of nitrogen-containing matter

• Combustion of fossil fuels

Which layer of the atmosphere contains the ozone layer?

• Mesosphere

• Stratosphere

• Troposphere

• Exosphere

What is the effect of chlorofluorocarbons (CFCs) on the ozone layer?

• They enhance ozone production

• They deplete ozone

• They stabilize ozone

• They have no effect