All past papers

Cambridge · O Level

Chemistry past papers.

Every paper below is practisable online — timed simulations for multiple choice, mark-scheme self-marking for written papers.

Drill one topic across years Written questions by topic

3 papers

20232 papers

May/June 2023
Free practice
Paper 1
10 multiple choice · 10 marks
2 more questions need a figure — open the PDF for those
Atomic structure · Separation techniques · Electrolysis · Rates of reaction · Acids, bases and salts · Bonding and structure · Periodic table · Stoichiometry
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May/June 2023
Paper 2
7 structured · 22 marks
Rates of reaction · Acids, bases and salts · Metals · Energy changes · Bonding and structure · Electrolysis
Practice questions

20221 paper

November 2022
Paper 1
7 multiple choice · 7 marks
1 more question needs a figure — open the PDF for those
Periodic table · Organic chemistry · Acids, bases and salts · Redox · Stoichiometry · Metals
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