Chemistry 9701 · 20 Polymerisation
20.1 Addition polymerisation
Describe addition polymerisation, deduce repeat units and monomers, and discuss environmental issues of poly(alkene) disposal.
- Questions
- 61
- Years
- 2016–2026
- Multiple choice
- 47
- Written answer
- 14
- Average marks
- 3.5
Where this subtopic appears
- Paper 1variants 11, 12, 13, 1447
- Paper 2variants 21, 22, 23, 249
- Paper 4variants 41, 42, 435
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 6 | – | 6 |
| 2023 | – | 3 | 1 | 4 |
| 2022 | 1 | 3 | 3 | 7 |
| 2021 | 1 | 2 | 1 | 4 |
| 2020 | 1 | 3 | 6 | 10 |
| 2019 | 1 | 3 | – | 4 |
| 2018 | 1 | 5 | 6 | 12 |
| 2017 | 1 | 3 | 3 | 7 |
| 2016 | 2 | 3 | 2 | 7 |
