Edexcel International GCSE (9–1) Chemistry (Modular) 4XCH1 · 6.21
Testing the purity of water
- Code
- 6.21
- In
- 6h Chemical tests
- Topic
- 6 Inorganic chemistry: Part 2
- Course
- International GCSE (9–1) Chemistry (Modular) 4XCH1
- Board
- Edexcel
Grade boundaries·Edexcel command words
Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.
Points in 6h Chemical tests
- 6.15 Tests for gases
- 6.16 Flame tests
- 6.17 Flame test colours
- 6.18 Tests for cations
- 6.19 Tests for anions
- 6.20 Test for water
- 6.21 Testing the purity of water