OCR GCSE Gateway Science Suite - Combined Science A J250 · C3.3j
Tenfold change in hydrogen ions and pH
- Code
- C3.3j
- In
- C3.3 Types of chemical reactions
- Topic
- C3 Chemical reactions
- Course
- GCSE Gateway Science Suite - Combined Science A J250
- Board
- OCR
Grade boundaries·OCR command words
Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.
Points in C3.3 Types of chemical reactions
- CM3.3i Arithmetic and ratio in quantitative chemistry
- C3.3a Oxidation and reduction by oxygen
- C3.3b Oxidation and reduction by electrons
- C3.3c Hydrogen and hydroxide ions in acids and alkalis
- C3.3d Neutralisation
- C3.3e Neutralisation as H⁺ and OH⁻ reacting
- C3.3f Acids with carbonates and metals
- C3.3g Dilute, concentrated, weak and strong acids
- C3.3h pH as a measure of acidity
- C3.3i Hydrogen ion concentration and pH
- C3.3j Tenfold change in hydrogen ions and pH
- C3.3k Measuring pH