For Students ▾
Student Features
Flashcards
Progress Tracking
Mock Exam
Free Resources ▾
GCSE Resources
Free GCSE Resources
Revision Notes
Python IDE
Pricing
Blog
🌙
Sign in
Start free trial
☰
Revision Notes
›
GCSE Chemistry
›
Chemical Changes
Chemical Changes — GCSE Revision Notes
2 notes on Chemical Changes for GCSE Chemistry.
Acids, Bases and the pH Scale
The pH scale (0–14) 0–6 acidic, 7 neutral, 8–14 alkaline. Measured…
The Reactivity Series and Electrolysis
The reactivity series Most → least reactive: Potassium, Sodium,…
← All GCSE Chemistry notes