This topic is included in Paper 1 and Paper 2 (Foundation) or Paper 3 and Paper 4 (Higher) for GCSE OCR (B) Chemistry.
Questions by Topic:
- C5.1 How are chemicals separated and tested for purity (F)
- C5.1 How are chemicals separated and tested for purity (H)
- C5.2 How do chemists find the composition of unknown samples (F)
- C5.2 How do chemists find the composition of unknown samples (H)
- C5.3 How are the amounts of substances in reactions calculated (F)
- C5.3 How are the amounts of substances in reactions calculated (H)
- C5.4 How are the amounts of chemicals in solution measured (F)
- C5.4 How are the amounts of chemicals in solution measured (H)
