KS3 Chemistry Study & Question Book - Foundation by CGP Books
This book has KS3 Chemistry (ages 11-14) completely covered, with a superb blend of crystal-clear study notes and indispensable practice questions for every topic. It's ideal for students working at foundation level. In addition to the notes and questions, there's a section covering everything students need to know about 'Working Scientifically'. Answers to the practice questions are available in a separate book (9781782941095).