An entire unit for chemical changes (electrolysis was moved to bonding 2 so this is predominantly acids and bases)
- Conservation of mass
- Balancing equations
- Metals + oxygen (plus % yield practice for triple)
- Reactivity series from practicals
- Extraction of metals
- OILRIG (HT only)
- Moles (HT only)
- Moles in symbol equations (HT only)
- Reacting masses
- Acid + metal
- Neutralisation
- Production of salts
- Required practical - production of a pure dry salt
- pH scale
- Concentration
- Strong and weak acids (HT only)
Triple:
17. Titration method
18. Required practical - titration
19. Titration calculations
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