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Asked by Jessica

How could you separate a mixture of water, rock salt, sawdust, and iron filings? Would this require physical means, chemical means, or both?
7 years ago

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Answered by DrBob222
Iron filings are magnetic. Use a magnet.
saw dust floats on water. Use a skimmer.
Evaporate H2O and rock salt is left. If you wish to recover the water you can distill the water/rock salt mixture and collect the water. The rock salt stays behind in the distillation flask.
7 years ago

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