This cracking CGP Exam Practice Workbook will prepare students for the GCSE OCR Gateway Chemistry exams. Inside, there are hundreds of realistic exam-style questions covering every topic - including questions on all the required practicals. Plus, there are exam tips sprinkled throughout and a section of mixed questions at the end - brilliant!What''s more, every question is labelled with a grade range on the GCSE 9-1 scale, so it''s easy for students to concentrate their practice on the difficulty level that suits them best. Detailed step-by-step answers are available in a separate Answer Book (9781782945215).For students studying three separate Sciences (sometimes called ''Triple Science'').