Revise smart and save! Our Revision Workbooks are designed to help students develop vital skills throughout the course in preparation for the exam with: One-to-one page match with the OCR AS/A level Chemistry Revision Guide so you can find the practice you need quickly and easily Skills building pages and practice questions in the style of the new exams Guided support and hints providing additional scaffolding, helping you avoid common pitfalls Full set of practice papers written to match the new specification exactly