Organic Chemistry – O Level Practice
Practice questions on hydrocarbons, alcohols, esters, and more. Covers all key topics from the O Level Organic Chemistry syllabus with answers and explanations.
Inorganic Chemistry – O Level Practice
Topic-based questions on the periodic table, metals, salts, and chemical reactions. Ideal for mastering core inorganic concepts before your exams.
Physical Chemistry – O Level Practice
Test your understanding of rates of reaction, energy changes, and particle theory. Includes structured questions with mark schemes.
Introduction – Why Do We Need Atomic Models? Have you ever wondered what everything is really made of? The screen you’re reading this on, the air around you, even your own body – it’s all made of atoms. But atoms are far too small to see, even with powerful microscopes. So, how do we understand…