This book contains a collection of test papers that cover the topics and concepts that are most likely to appear in the public exams. In this edition, the test papers are modified to suit for the latest curriculum and exam pattern of the HKDSE. To prepare well in the public examination, both teachers and students should get familiar to different types of questions, content to be examined and marking criteria. 

By practicing with this book, readers will be able to revise the important concepts, enhance the understanding, and boost the confidence in chemistry. Readers will also be able to identify their strengths and weaknesses, and work on them accordingly.