CH-516
Separation and purification
Chemistry · Secondary 3 · Medium · Separation and purification
A student wants to separate a mixture of hexane and water. Hexane has a boiling point of 69 °C and is immiscible with water. Which method should be used to obtain pure hexane from the mixture?
- Use a separating funnel and collect the upper layer.
- Use fractional distillation and collect the first fraction.
- Filter the mixture and dry the residue.
- Evaporate the mixture to dryness and cool the vapour.
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