SC-636
Choosing a separation method
Lower Sec Science · Secondary 1 · Medium · Choosing a separation method
A mixture contains copper filings, sand and salt dissolved in water.
Which sequence of separation techniques will obtain dry copper filings, sand and salt separately?
Which sequence of separation techniques will obtain dry copper filings, sand and salt separately?
- Magnetic separation → filtration → evaporation
- Filtration → magnetic separation → evaporation
- Evaporation → filtration → magnetic separation
- Chromatography → filtration → evaporation
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