CH-444
Separation and purification
Chemistry · Secondary 3 · Medium · Separation and purification
A mixture of sand and copper(II) sulfate crystals is given. Which method will obtain pure dry copper(II) sulfate crystals?
- Sublimation followed by drying
- Filtration, then crystallisation of the filtrate
- Use of a separating funnel, then drying
- Simple distillation of the mixture
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