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O Level
Chemistry
Syllabus 5070Cambridge International
Cambridge O Level Chemistry (5070) covers atomic structure, bonding, stoichiometry, organic and inorganic chemistry, and acids-bases-salts. Three papers including Alternative to Practical. Mandatory foundation for A Level Chemistry, Medicine, Pharmacy and Biotechnology applications.
Key topics
- Atoms, bonding & structure — ionic, covalent, metallic
- Stoichiometry — moles, balancing equations, yields
- Acids, bases, salts and pH
- Periodic table & metal reactivity
- Organic chemistry — alkanes, alkenes, alcohols, polymers
- Energetics, rates & equilibrium
Exam tips
- 01Learn the mole concept thoroughly — 30%+ of every paper involves stoichiometry.
- 02Memorise observation keywords (effervescence, precipitate, white solid dissolves) — they earn easy marks.
- 03Practice qualitative analysis tables (cation/anion tests) for ATP.
- 04Practice past papers from at least the last 5 sessions — pattern recognition is half the battle.
- 05Master the CAIE command words: define, explain, evaluate, calculate, describe, compare, state.