IGCSE Combined Science 0653 · Chemistry · 89

0653.C10.2.03 — State the adverse effect of these air pollutants, limited to: (a). carbon dioxide: higher levels of carbon dioxide leading to increased glob: past paper questions

6 real questionsasked in 5 of the last 10 exam series2022–2025usually: State, Which adverse effects are caused, What, Identify

Real questions on 0653.c10.2.03 — state the adverse effect of these air pollutants, limited to: (a). carbon dioxide: higher levels of carbon dioxide leading to increased glob

The newest 6 of 6 written questions. Open one to see it on the real paper.

0653/01 · Specimen 2025 · Q25[1]
Which adverse effects are caused by particulates in the air?
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0653/32 · May/June 2025 · Q4e(iii)[1]
State one adverse effect of oxides of nitrogen.
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0653/32 · February/March 2024 · Q5b[2]
Carbon monoxide and the oxides of nitrogen are common pollutants in air. State one adverse effect that each of these air pollutants causes. carbon monoxide oxides of nitrogen
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0653/22 · May/June 2023 · Q25[1]
What is an effect of increasing the amount of carbon dioxide in the atmosphere?
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0653/32 · February/March 2023 · Q5b[1]
Copper is extracted from copper oxide by heating with carbon. Identify the greenhouse gas formed in this process.
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0653/43 · October/November 2022 · Q8d[1]
Carbon dioxide in the air dissolves in rainwater and causes damage to buildings. State the name of one other gas that causes the same problem.
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What examiners said

Generally answered well. Most correct answers stated that acid rain is an adverse effect of oxides of nitrogen, with fewer stating respiratory problems.
— Examiner report, May/June 2025, 0653/32 Q4(e)(iii) (Cambridge)

Many candidates gained credit for stating an adverse effect of carbon monoxide. Fewer knew an adverse effect of oxides of nitrogen. There were many vague responses that did not gain credit, for example, affects plants, breathing problems, bad for health, or dangerous to humans.
— Examiner report, February/March 2024, 0653/32 Q5(b) (Cambridge)

Most candidates stated carbon dioxide and gained credit. The most common error was carbon monoxide.
— Examiner report, February/March 2023, 0653/32 Q5(b) (Cambridge)

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Practise 0653.c10.2.03 — state the adverse effect of these air pollutants, limited to: (a). carbon dioxide: higher levels of carbon dioxide leading to increased glob

In the syllabus

89 0653.C10.2.03 — State the adverse effect of these air pollutants, limited to: (a). carbon dioxide: higher levels of carbon dioxide leading to increased glob

State the adverse effect of these air pollutants, limited to: (a). carbon dioxide: higher levels of carbon dioxide leading to increased global warming, which leads to climate change (b). carbon monoxide: toxic gas (c). particulates: increased risk of respiratory problems and cancer (d). methane: higher levels of methane leading to increased global warming, which leads to climate change (e). oxides of nitrogen: acid rain and respiratory problems (f). sulfur dioxide: acid rain

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