It is our pleasure to inform you that we now publish the 5-in-1 General Exercise Book 2.

This exercise book series written in accordance with the revised Chemistry and the chemistry part of the Combined Science and Assessment Guides (Secondary 4–6) released in 2014. It consist which are listed

below:

Topic 4 Acids and Bases

Topic 5 Redox Reactions, Chemical Cells and Electrolysis

Topic 6 Microscopic World II