GCSE WJEC Chemistry · Topic 4
Chemical Changes
In short
Topic 4: Chemical Changes in GCSE WJEC Chemistry covers 3 topics: Reactivity of Metals, Reactions of Acids and Electrolysis. Each one below lists the key points to revise.
Last updated
What is in Topic 4: Chemical Changes?
Topic 4: 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 4: Chemical Changes?
It covers 3 topics: Reactivity of Metals; Reactions of Acids; Electrolysis.
Can I get one-to-one help with GCSE WJEC Chemistry?
AP Guru offers one-on-one online tutoring. Book a free consultation to talk through GCSE WJEC Chemistry, your exam date and the topics you find hardest.
Want help mastering this topic?
Work through Chemical Changes one-on-one with an AP Guru tutor.
Book a free demo class