Air Pollution
8 past-paper questions on Air Pollution · examined 2023–2025.
20251 question
Explain how nitrogen monoxide, NO, is formed in a petrol engine. Include a symbol equation.
20245 questions
Which row about the adverse effects of air pollutants is correct?
Describe one adverse effect of higher levels of methane in air.
The combustion of fossil fuels that contain sulfur produces sulfur dioxide. Describe two strategies to reduce the emission of sulfur dioxide from the combustion of fossil fuels.
Nitrogen monoxide, NO, is linked to acid rain. This pollutant is present in the gases made in car engines. Describe how nitrogen monoxide is removed from these gases. Include a word equation in your answer.
State two other adverse effects of oxides of nitrogen pollutants in the air.
20232 questions
Gases that may be present in the air are listed. Which gases are atmospheric pollutants?
Which statement about air pollutants is correct?
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