Chemistry 0620 · 10 Chemistry of the environment
10.3 Air quality and climate
State air composition, identify pollutants and their effects, explain greenhouse gases and global warming, and describe strategies like catalytic converters.
- Questions
- 399
- Years
- 2010–2026
- Multiple choice
- 284
- Written answer
- 115
- Average marks
- 3.3
Practise chemistry of the environment questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 11, 12, 13193
- Paper 2variants 21, 22, 23115
- Paper 3variants 31, 32, 3366
- Paper 4variants 41, 42, 4323
- Paper 6variants 632
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 7 | 15 | – | 22 |
| 2023 | 4 | 14 | 18 | 36 |
| 2022 | 5 | 13 | 12 | 30 |
| 2021 | 5 | 11 | 12 | 28 |
| 2020 | – | 12 | 16 | 28 |
| 2019 | 5 | 15 | 18 | 38 |
| 2018 | 7 | 18 | 17 | 42 |
| 2017 | 7 | 14 | 9 | 30 |
| 2016 | 6 | 15 | 16 | 37 |
| 2015 | 3 | 12 | 15 | 30 |
| 2014 | – | 8 | 5 | 13 |
| 2013 | – | 4 | 7 | 11 |
| 2012 | – | 10 | 11 | 21 |
| 2011 | – | 11 | 11 | 22 |
| 2010 | – | 4 | 7 | 11 |
