Chemistry › Past papers › OCR Chemistry A › November 2020

OCR A-level Chemistry A H432: November 2020

The papers, mark schemes and reports OCR publishes for the November 2020 series of H432: 10 files, grouped by the component they belong to.

Checked against OCR’s own listing on 29 October 2026.

The 2020 series was held in the autumn rather than June.

The files, by component

Paper 1: Periodic table, elements and physical chemistry

H432/01 · 2 hours 15 minutes · 100 marks

Units this paper draws on: Working in the laboratory, Atomic structure, Amount of substance, Bonding and structure, Energetics, Kinetics, Chemical equilibria, Redox, Thermodynamics, Rate equations, Electrochemistry, Acids and bases, Periodicity and Period 3, Group 2 and Group 7, Transition metals, Ions in aqueous solution.

Kind	File
Question paper	Question paper - Periodic table, elements and physical chemistry (H432/01)
Mark scheme	Mark scheme - Periodic table, elements and physical chemistry (H432/01)
Examiner report	Examiners' report - Periodic table, elements and physical chemistry (H432/01)

Paper 2: Synthesis and analytical techniques

H432/02 · 2 hours 15 minutes · 100 marks

Units this paper draws on: Working in the laboratory, Atomic structure, Amount of substance, Bonding and structure, Redox, Introduction to organic chemistry, Alkanes and halogenoalkanes, Alkenes and alcohols, Organic analysis, Carbonyls and carboxylic acids, Aromatic chemistry and amines, Organic synthesis.

Kind	File
Question paper	Question paper - Synthesis and analytical techniques (H432/02)
Mark scheme	Mark scheme - Synthesis and analytical techniques (H432/02)
Examiner report	Examiners' report - Synthesis and analytical techniques (H432/02)

Paper 3: Unified chemistry

H432/03 · 1 hour 30 minutes · 70 marks

Units this paper draws on: every unit.

Kind	File
Question paper	Question paper - Unified chemistry (H432/03)
Mark scheme	Mark scheme - Unified chemistry (H432/03)
Examiner report	Examiners' report - Unified chemistry (H432/03)

For the whole series

Published for the sitting rather than for one component.

Kind	File
Data booklet	Data booklet (H032/H432)

The papers in this series

Code	Paper	Length	Marks	Weighting
H432/01	Periodic table, elements and physical chemistry	2 hours 15 minutes	100 marks	37.0%
H432/02	Synthesis and analytical techniques	2 hours 15 minutes	100 marks	37.0%
H432/03	Unified chemistry	1 hour 30 minutes	70 marks	26.0%
H432/04	Practical Endorsement in chemistry	no written paper	not marked	reported separately

The series either side

June 2019, the series before · November 2021, the series after.

Every sitting of H432 examines the same structure; what changes is the questions. The H432 past papers page has the whole list of series, and the OCR Chemistry A specification map says which headings this library teaches.

Links were checked against the awarding bodies’ websites on 29 October 2026. InkChemistry does not host or reproduce past papers or mark schemes. If a direct link has moved, use the awarding body’s listing linked above.