SC-819
Filtration
Lower Sec Science · Secondary 1 · Easy · Filtration
A student wants to separate a mixture of sand and salt.
Which method should be used to obtain pure salt crystals from the mixture?
Which method should be used to obtain pure salt crystals from the mixture?
- Dissolve in water, filter, then evaporate the filtrate to dryness
- Use a magnet to remove the sand, then evaporate the mixture
- Filter the dry mixture, then evaporate the residue
- Distil the dry mixture to obtain salt crystals
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