OCR Chemistry A
Essential course resources
Textbook answers, past papers, data sheets, practical activities and grade boundaries for OCR Chemistry A.
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.