O level Chemistry:
- 2 timed quizzes on "Redox, Energetics, Ammonia" have been added (16 Feb 2025)
- 15 practice MCQs on the topic "Formulae, Functional Groups & Terminology" have been added (15 Feb 2025)
- 15 practice MCQs on the topic "Experimental Techniques" have been added (13 Feb 2025)
- 14 practice MCQs on the topic "Identification of Ions and Gases' have been added (12 Feb 2025)
- 16 practice MCQs on the topic "Giant Structures" have been added (12 Feb 2025)
- 15 practice MCQs on the topic "Simple Molecules and Covalent Bonds" have been added (11 Feb 2025)
- 20 practice MCQs on the topic "Ions and Ionic Bonds" have been added (11 Feb 2025)
- 19 practice MCQs on the topic "Ammonia" have been added (7 Feb 2025)
- 16 practice MCQs on the topic "Mole Concept - The Mole and the Avogadro's Constant" have been added (6 Feb 2025)
- 15 practice MCQs on the topic "Mole Concept - Formula and Relative Masses" have been added (5 Feb 2025)
- 15 practice MCQs on the topic "Applications of Electrolysis" have been added (4 Feb 2025)
- 18 practice MCQs on the topic "Electrolysis" have been added (4 Feb 2025)
- 15 practice MCQs on the topic "Atomic Structure" have been added (3 Feb 2025)
- 15 practice MCQs on the topic 'Kinetic Particle Theory and Diffusion' have been added (3 Feb 2025)
- 15 practice MCQs on the topic 'Enthalpy Change' have been added (2 Feb 2025)
- 19 practice MCQs on the topic 'Redox' have been added (1 Feb 2025)