GCSE Edexcel Combined Science: Chemistry · Topic 3

Chemical Changes

In short

Topic 3: Chemical Changes in GCSE Edexcel Combined Science: Chemistry covers 3 topics: Reactivity of Metals, Reactions of Acids and Electrolysis. Each one below lists the key points to revise.

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What is in Topic 3: Chemical Changes?

Topic 3: Chemical Changes

Reactivity of Metals
  • The reactivity series
  • Extraction of metals
  • Oxidation and reduction
Reactions of Acids
  • Acids with metals and bases
  • Making salts
  • pH and neutralisation
Electrolysis
  • Molten compounds
  • Aqueous solutions
  • Required practical: electrolysis

Chemical Changes: common questions

What is in Topic 3: Chemical Changes?

It covers 3 topics: Reactivity of Metals; Reactions of Acids; Electrolysis.

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