What this topic covers
Topic 4: Chemical changes has 3 subtopics:
- Reactivity of metals
- Reactions of acids
- Electrolysis
GCSE AQA Higher Chemistry
Topic 4: Chemical changes – GCSE AQA Higher Chemistry revision notes
Revise Topic 4: Chemical changes for GCSE AQA Higher Chemistry, including Reactivity of metals and Reactions of acids. 24 lessons across 3 subtopics.
Topic 4: Chemical changes covers Reactivity of metals, Reactions of acids, and Electrolysis in GCSE AQA Higher Chemistry. 24 lessons in 3 subtopics.
24
Lessons
3
Subtopics
Topic 4: Chemical changes lessons by subtopic
24 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
- Understanding Oxidation and Reduction with Electrons
- Writing Ionic Equations for Displacement Reactions
- 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
- Acid-Metal Reactions: Products and Patterns
- Redox in Acid-Metal Reactions
- Understanding Acid Strength and Concentration
- pH Scale and Hydrogen Ion Concentration
Electrolysis
- Understanding Electrode Reactions in Electrolysis
- Writing Half Equations for Electrode Reactions
- Predicting Products in Aqueous Electrolysis
- Products at the Cathode and Anode
- Electrolytic extraction of reactive metals
- Aluminium production and electrode replacement
- Products of Electrolysis in Molten Ionic Compounds
- Understanding Electrolytes and Ion Movement
More in this course
Go back to the full GCSE AQA Higher Chemistry topic list, or practise this topic with past-paper questions.
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