OCR Twenty First Century GCSE Chemistry is carefully matched to the OCR
Specification for focused study. Clear explanations & supporting diagrams ensure understanding & help students to prepare for the exam with complete confidence. Endorsed by OCR for use with the OCR GCSE Chemistry A
Specification. * Separate modules clearly labelled & units differentiated by colour * Module summaries provide at-a-glance topic overviews * Exam-style questions at the end of each unit