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?
            
            
        Answers
                    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.
    
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.
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