Our revision resources are the smart choice for those revising for Pearson Edexcel GCSE (9–1) Chemistry Higher and Pearson Edexcel GCSE (9–1) Combined Science Higher. Are you looking to get a grade 7–9 in your exam? This book aims to help you nail it by giving you: • Expert advice to help you get to grips with the tougher exam questions • Worked examples and fully worked answers to show you what the best answers will look like • Plenty of opportunity to practise the more challenging exam-style questions • Hints and advice to develop your exam technique to help you access the higher marks.