Download or read book Elements, Compounds and Mixtures and Chemical Reactions: OCR Gateway GCSE Chemistry written by Collins Collins GCSE and published by HarperCollins UK. This book was released on 2016-11-02 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exam Board: OCR GatewayLevel & Subject: GCSE ChemistryFirst teaching: September 2016 First exams: June 2018 Revise tricky topics in a snap Collins Snap Revision helps you focus on the areas of your revision that you find tricky or need extra practice in. Spaced practice opportunities allow you to test, revisit and review your understanding throughout your revision, a method proven to improve your performance in the exam. - Focussed revision in tricky areas of the exam- Targeted practice in specific areas where more support may be needed- Ideal to use at home