Edexcel International GCSE (9–1) Science (Double Award) (Modular) 4XSD1 · C-2.22
Proton donors and acceptors
- Code
- C-2.22
- In
- C-2c Acids, bases and salt preparations
- Topic
- C Chemistry content
- Course
- International GCSE (9–1) Science (Double Award) (Modular) 4XSD1
- 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.