OCR Chemistry A
Essential course resources
The main files and pages used across Year 12 and Year 13.
Textbook answers
Direct Ritchie and Gent chapter files.
AS papers
Useful throughout Year 12 and for revisiting first-year content.
A-level papers
The complete three-paper H432 structure.
Data sheet
Official OCR reference data.
Practical activities
The 12 PAGs used across the course.
Grade boundaries
Recent official OCR documents.