Air Pollution
Chemistry ⇒ Environmental Chemistry
Air Pollution starts at 9 and continues till grade 12.
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See sample questions for grade 10
A city experiences frequent haze and reduced visibility due to high levels of suspended particles. What type of air pollution is this an example of?
Describe the greenhouse effect and its relation to air pollution.
Describe two harmful effects of acid rain on the environment.
Explain how the burning of fossil fuels contributes to air pollution.
Explain the difference between primary and secondary air pollutants.
A city experiences frequent haze and reduced visibility due to high levels of suspended particles. What type of air pollution is this an example of?
A city implements a policy to reduce the use of diesel vehicles. Predict and explain the likely impact on the levels of particulate matter (PM) and nitrogen oxides (NOₓ) in the air.
A factory releases large amounts of sulfur dioxide (SO₂) into the air. Describe the chemical reactions that can occur in the atmosphere as a result, and explain the environmental consequences.
Which of the following is a consequence of increased carbon dioxide in the atmosphere?
(1) Global warming
(2) Acid rain
(3) Ozone depletion
(4) Smog formation
Which of the following is a major source of particulate matter in urban areas?
(1) Volcanic eruptions
(2) Vehicle exhaust
(3) Sea spray
(4) Forests
Which of the following is a method to control air pollution from vehicles?
(1) Using unleaded petrol
(2) Increasing industrial emissions
(3) Burning more coal
(4) Removing catalytic converters
Which of the following is a natural source of air pollution?
(1) Factories
(2) Automobiles
(3) Volcanic eruptions
(4) Power plants
Fill in the blank: The Air Quality Index (AQI) is used to measure the __________ of air pollution.
Fill in the blank: The chemical formula for ozone is __________.
Fill in the blank: The layer of the atmosphere where most air pollution occurs is the __________.
Fill in the blank: The main chemical responsible for the depletion of the ozone layer is __________.
True or False: Air pollution can affect the climate of the Earth.
True or False: Carbon monoxide is a colorless and odorless gas that is harmful to humans.
True or False: Lead is a heavy metal that can be found in air pollution and is harmful to human health.
True or False: Smog is a mixture of smoke and fog.
