Topic 3 – Chemical Reactions

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Notes || Questions by Topic

This topic is included in Paper 1 (Foundation) or Paper 3 (Higher) for GCSE OCR (A) Chemistry.

Notes

Definitions
Flashcards

Summary Notes

3.1. Introducing chemical reactions
3.2. Energetics
3.3. Types of chemical reactions
3.4 Electrolysis

Questions by Topic

2018-2021 papers

Foundation

3.1 Introducing Chemical Reactions (F) MS
3.1 Introducing Chemical Reactions (F) QP
3.2 Energetics (F) MS
3.2 Energetics (F) QP
3.3 Types of Chemical Reactions (F) MS
3.3 Types of Chemical Reactions (F) QP
3.4 Electrolysis (F) MS
3.4 Electrolysis (F) QP

Higher

3.1 Introducing Chemical Reactions (H) MS
3.1 Introducing Chemical Reactions (H) QP
3.2 Energetics (H) MS
3.2 Energetics (H) QP
3.3 Types of Reactions (H) MS
3.3 Types of Reactions (H) QP
3.4 Electrolysis (H) MS
3.4 Electrolysis (H) QP