SC-744
Evaporation and crystallisation
Lower Sec Science · Secondary 1 · Medium · Evaporation and crystallisation
A student wants to separate a mixture of sand and salt. She first adds water and stirs, then filters the mixture. Which separation technique should she use next to obtain pure salt crystals from the salt solution?
- Evaporation followed by crystallisation
- Simple distillation
- Chromatography
- Magnetic separation
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