SC-102
Elements, compounds and mixtures
Lower Sec Science · Secondary 1 · Easy · Elements, compounds and mixtures
A student mixes iron filings and sulphur powder. She wants to separate the iron from the mixture. Which method should she use first, and which property of iron does this method rely on?
- Use a magnet; iron is magnetic
- Use filtration; iron is insoluble in water
- Use distillation; iron has a high boiling point
- Use chromatography; iron moves faster on the paper
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