Chemistry › Past papers › Pearson Edexcel Chemistry › General and Practical Principles in Chemistry
Pearson Edexcel A-level Chemistry 9CH0 Paper 3: General and Practical Principles in Chemistry
9CH0/03 · 2 hours 30 minutes · 120 marks · 40.0% of the A level.
What it examines
Any topic in the specification, including synoptic questions drawing on two or more topics and questions on the conceptual and theoretical understanding of experimental methods that draw on the core practicals.
The longest paper, at two and a half hours and 120 marks. It can ask about any topic, and its questions on experimental methods draw on the sixteen core practicals.
Where the library covers it
The units whose lessons teach the headings this paper examines, read off the route map, with how many of each unit’s lessons those headings name:
- Working in the laboratoryall 3 lessons
- Atomic structureall 4 lessons
- Amount of substanceall 5 lessons
- Bonding and structureall 5 lessons
- Energeticsall 4 lessons
- Kineticsall 3 lessons
- Chemical equilibriaall 3 lessons
- Redoxall 3 lessons
- Thermodynamicsall 3 lessons
- Rate equationsall 3 lessons
- Electrochemistryall 3 lessons
- Acids and basesall 4 lessons
- Periodicity and Period 31 of 3 lessons
- Group 2 and Group 7all 4 lessons
- Transition metalsall 5 lessons
- Ions in aqueous solutionall 2 lessons
- Introduction to organic chemistryall 3 lessons
- Alkanes and halogenoalkanesall 4 lessons
- Alkenes and alcoholsall 4 lessons
- Organic analysisall 4 lessons
- Carbonyls and carboxylic acidsall 5 lessons
- Aromatic chemistry and aminesall 4 lessons
- Organic synthesisall 3 lessons
Where to get the papers
June 2025
- Question paper - A Level Paper 3 - June 2025
- Mark scheme - A Level Paper 3 - June 2025
- Examiner report - A Level Paper 3 - June 2025
June 2024
- Question paper - A Level Paper 3 - June 2024
- Mark scheme - A Level Paper 3 - June 2024
- Examiner report - A Level Paper 3 - June 2024
June 2023
- Question paper - A Level Paper 3 - June 2023
- Mark scheme - A Level Paper 3 - June 2023
- Examiner report - A Level Paper 3 - June 2023
June 2022
- Question paper - A Level Paper 3 - June 2022
- Mark scheme - A Level Paper 3 - June 2022
- Examiner report - A Level Paper 3 - June 2022
November 2021
- Question paper - A Level Paper 3 - November 2021
- Mark scheme - A Level Paper 3 - November 2021
- Examiner report - A Level Paper 3 - November 2021
October 2020
- Question paper - A Level Paper 3 - October 2020
- Mark scheme - A Level Paper 3 - October 2020
- Examiner report - A Level Paper 3 - October 2020
June 2019
- Question paper - A Level Paper 3 - June 2019
- Mark scheme - A level Paper 3 - June 2019
- Examiner report - A level Paper 3 - June 2019
June 2018
- Question paper - A Level Paper 3 - June 2018
- Mark scheme - A Level Paper 3 - June 2018
- Examiner report - A Level Paper 3 - June 2018
June 2017
- A level Paper 3 - Question paper - June 2017
- A level Paper 3 - Mark scheme - June 2017
- Examiner report - Paper 3 - June 2017
Pearson Edexcel publishes the 9CH0/03 papers it makes public on Pearson’s course materials for Chemistry, alongside the other papers in the qualification. The 9CH0 past papers page lists what is published and when the list was checked.
Links were checked against the awarding bodies’ websites on 29 October 2026. InkChemistry does not host or reproduce past papers or mark schemes. If a direct link has moved, use the awarding body’s listing linked above.