SC-793
Evaporation and crystallisation
Lower Sec Science · Secondary 1 · Hard · Evaporation and crystallisation
A student dissolves some copper(II) sulfate crystals in water to form a blue solution. He wants to obtain copper(II) sulfate crystals again from this solution. Which method should he use?
- Evaporation followed by crystallisation
- Filtration using filter paper
- Simple distillation to collect the crystals
- Chromatography using filter paper
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