You can find all OCR Chemistry Unit 4 past papers and mark schemes below:
- Grade Boundaries - OCR Chemistry A A2
- January 2010 MS - Unit 4 OCR Chemistry A-level
- January 2010 QP - Unit 4 OCR Chemistry A-level
- January 2011 MS - Unit 4 OCR Chemistry A-level
- January 2011 QP - Unit 4 OCR Chemistry A-level
- January 2011 QP - Unit 5 Erratum OCR Chemistry A-level
- January 2012 MS - Unit 4 OCR Chemistry A-level
- January 2012 QP - Unit 4 OCR Chemistry A-level
- January 2013 MS - Unit 4 OCR Chemistry A-level
- January 2013 QP - Unit 4 OCR Chemistry A-level
- June 2010 MS - Unit 4 OCR Chemistry A-level
- June 2010 QP - Unit 4 OCR Chemistry A-level
- June 2011 MS - Unit 4 OCR Chemistry A-level
- June 2011 QP - Unit 4 OCR Chemistry A-level
- June 2012 MS - Unit 4 OCR Chemistry A-level
- June 2012 QP - Unit 4 OCR Chemistry A-level
- June 2013 MS - Unit 4 OCR Chemistry A-level
- June 2013 QP - Unit 4 Erratum OCR Chemistry A-level
- June 2013 QP - Unit 4 OCR Chemistry A-level
- June 2014 MS - Unit 4 OCR Chemistry A-level
- June 2014 QP - Unit 4 OCR Chemistry A-level
- June 2015 MS - Unit 4 OCR Chemistry A-level
- June 2015 QP - Unit 4 OCR Chemistry A-level
- June 2016 MS - Unit 4 OCR Chemistry A-level
- June 2016 QP - Unit 4 OCR Chemistry A-level
