The table below shows three mixtures and four potential methods of separation.
Place a tick (✓\checkmark✓) in the correct box in each row of the table to show the most suitable method to separate the first named substance from each mixture.
| Substance to separate | Crystallisation | Filtration | Simple distillation | Fractional distillation |
|---|---|---|---|---|
| Lead(II) iodide from a mixture of lead(II) iodide and potassium nitrate solution | ||||
| Potassium nitrate crystals from potassium nitrate solution | ||||
| Pure water from potassium nitrate solution |