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O Level Chemistry Past Papers

21 sittings across 2 papers, 2013 to 2025, 882 questions. Read any paper, or sit it online and get marked at the end.

Paper 1

June 2024November 2022November 2020November 2019November 2018

Exam sittings

Topics covered

Atomic Structure and BondingOrganic ChemistryStoichiometry and Mole CalculationsAcids, Bases and SaltsRedoxEnergy changesEnvironmental chemistryParticulate nature of matterElectrolysisMetals

Sample questions

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Paper 2

November 2025June 2025June 2024November 2023November 2019

Exam sittings

Topics covered

Organic ChemistryAtomic Structure and BondingAcids, Bases and SaltsStoichiometry and Mole CalculationsRates of reactionEnvironmental chemistryWaterFormulae and equationsMetalsElectrolysis

Sample questions

Read the paper→

Practise by topic

Organic ChemistryAtomic Structure and BondingAcids, Bases and SaltsStoichiometry and Mole Calculations

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