The ‘O’ Level Chemistry Comprehensive Guide is written with one main goal in mind, to provide students with handy revision notes, facilitating revision before the examination. This book contains everything students need to know before taking the ‘O’ Level Chemistry Examination. It is written in point forms as much as possible to make revision painless. Useful examples are included for better understanding. Important diagrams and graphs are provided where necessary. Understand the points, diagrams and graphs in this book and students will be well equipped to tackle the ‘O’ Level Chemistry Examination.