Air Pollution
Chemistry ⇒ Environmental Chemistry
Air Pollution starts at 9 and continues till grade 12.
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See sample questions for grade 11
A city experiences frequent smog during winter due to increased use of coal for heating. Explain the chemical processes that lead to smog formation in this scenario.
Describe one method used to reduce industrial emissions of nitrogen oxides (NOₓ).
Describe the role of catalytic converters in reducing air pollution from vehicles.
Explain how temperature inversion can worsen air pollution in urban areas.
Explain the difference between primary and secondary air pollutants.
Explain the term 'bioaccumulation' in the context of air pollutants.
Explain why children are more vulnerable to the effects of air pollution than adults.
A city experiences frequent smog during winter due to increased use of coal for heating. Explain the chemical processes that lead to smog formation in this scenario.
Which of the following gases is mainly responsible for the greenhouse effect?
(1) Nitrogen
(2) Oxygen
(3) Carbon dioxide
(4) Argon
Which of the following is a consequence of long-term exposure to air pollution?
(1) Improved lung function
(2) Increased risk of cardiovascular diseases
(3) Enhanced immune response
(4) Decreased risk of cancer
Which of the following is a direct effect of acid rain on aquatic ecosystems?
(1) Increased oxygen levels
(2) Lower pH of water bodies
(3) Enhanced fish reproduction
(4) Decreased water temperature
Which of the following is a health effect of exposure to high levels of particulate matter (PM2.5)?
(1) Skin rash
(2) Respiratory problems
(3) Hearing loss
(4) Tooth decay
Fill in the blank: The Air Quality Index (AQI) is a measure used to communicate the level of __________ in the air.
Fill in the blank: The chemical formula for ozone is __________.
Fill in the blank: The main anthropogenic source of carbon monoxide in the atmosphere is __________.
Fill in the blank: The main pollutant responsible for the formation of acid rain is __________.
True or False: Carbon monoxide is more dangerous to humans than carbon dioxide at the same concentration.
True or False: Leaded gasoline is still widely used in most countries today.
True or False: Ozone in the troposphere is beneficial for human health.
Yes or No: Can air pollution affect plant growth?
