Separating mixtures (Edexcel GCSE Chemistry): Revision Notes
📚 Revision Notes
Separating mixtures
| Method | Type of mixture | Example |
|---|---|---|
| Filtration | Mixture of insoluble solid with a liquid or solution | Separating sand from salty water |
| Evaporation | Mixture of solvent and solute | Salt from sea water |
| Simple distillation | Separate solvent from the solution | Separating pure water from sea water |
| Fractional Distillation | Separating 2+ different solutes within different boiling points | Separating Crude oil into separate "collections" of hydrocarbons. |
| Thin paper chromatography | Separate mixture of soluble dyes | Different dyes |
| Recrystallization | Purify soluble substances contaminated with small quantities of other soluble substances | Pure salt from rock salt |
| Separating Funnel | 2 immiscible liquids | Olive oil from water |