CH-485
Separation and purification
Chemistry · Secondary 3 · Medium · Separation and purification
A mixture of solid sodium chloride and zinc metal is added to water and stirred. Which method will obtain dry samples of both solids?
- Filter to obtain zinc, then evaporate the filtrate to dryness to get sodium chloride.
- Use a magnet to remove zinc, then evaporate the remaining mixture.
- Distil the mixture and collect both solids from the distillate.
- Evaporate the mixture to dryness, then separate the solids by filtration.
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