Chemistry 0620 · 7 Acids, bases and salts
7.1 The characteristic properties of acids and bases
Describe reactions of acids and bases, use indicators, define pH, and distinguish between strong and weak acids using proton transfer theory.
- Questions
- 559
- Years
- 2010–2026
- Multiple choice
- 361
- Written answer
- 198
- Average marks
- 4.4
Practise acids, bases and salts questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 11, 12, 13243
- Paper 2variants 21, 22, 23154
- Paper 3variants 31, 32, 3368
- Paper 6variants 61, 62, 6351
- Paper 5variants 51, 52, 5323
- Paper 4variants 41, 42, 4320
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 9 | 15 | – | 24 |
| 2024 | – | 1 | – | 1 |
| 2023 | 8 | 18 | 19 | 45 |
| 2022 | 8 | 21 | 24 | 53 |
| 2021 | 6 | 13 | 32 | 51 |
| 2020 | – | 18 | 22 | 40 |
| 2019 | 10 | 22 | 24 | 56 |
| 2018 | 11 | 25 | 16 | 52 |
| 2017 | 7 | 16 | 25 | 48 |
| 2016 | 8 | 15 | 28 | 51 |
| 2015 | 9 | 19 | 12 | 40 |
| 2014 | – | 5 | 14 | 19 |
| 2013 | – | 9 | 7 | 16 |
| 2012 | – | 19 | 11 | 30 |
| 2011 | – | 11 | 9 | 20 |
| 2010 | – | 6 | 7 | 13 |
