What this topic covers
Topic 4: Chemical changes has 3 subtopics:
- Reactivity of metals
- Reactions of acids
- Electrolysis
GCSE AQA Foundation Combined Science Chemistry
Topic 4: Chemical changes – GCSE AQA Foundation Combined Science Chemistry revision notes
Revise Topic 4: Chemical changes for GCSE AQA Foundation Combined Science Chemistry, including Reactivity of metals, Reactions of acids, and Electrolysis.
Topic 4: Chemical changes covers Reactivity of metals, Reactions of acids, and Electrolysis in GCSE AQA Foundation Combined Science Chemistry. 17 lessons in 3 subtopics.
17
Lessons
3
Subtopics
Topic 4: Chemical changes lessons by subtopic
17 lessons, grouped by subtopic.
Reactivity of metals
- Metal Reactions and the Reactivity Series
- Displacement Reactions and the Extended Reactivity Series
- How metals are found and extracted
- Reduction and oxidation in metal extraction
- Evaluating metal extraction processes
- Metal Oxides and Oxidation Reactions
Reactions of acids
- What Salts Are Produced in Neutralisation?
- Neutralisation Reactions and Salt Formulae
- Making Soluble Salts from Acids
- Crystallising Salt Solutions and Making Pure Samples
- Understanding the pH Scale
- Acids, Alkalis and Neutralisation
Electrolysis
More in this course
Go back to the full GCSE AQA Foundation Combined Science Chemistry topic list, or practise this topic with past-paper questions.
Frequently asked questions
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These notes are for GCSE AQA Foundation Combined Science Chemistry. If you are on a different exam board or tier, choose your course from the Combined Science Chemistry page instead, because the content is not always the same.
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Test yourself without the notes open, then try past-paper questions on the same topic. The questions you get wrong tell you which lesson to go back to.