1.seperate solids) magnet, dissolve one, gravity,flotation,sorting,sieve
2.seperate soloution)distil, evaporate,density
3.suspension)=solid settles to bottom
filter)tiny holes let small particles pass but stops big particles from passing through. Decant)Centrifuge)
1.now we have to seperate iron filings,sand and salt
method 1)put the mixture in the evaporate dish and put the magnet over it and that will pick up the iron.
then make it into a liquid