Copper filings are not attracted to a magnet, as iron filings are.
magnetic separation.
iron
Pure iron filings will be attracted to a magnet; but pieces of iron carbonate will not.
A magnet should be very good at picking out the iron filings.
Copper filings are not attracted to a magnet, as iron filings are.
Iron filings may be pure elemental iron, it depends on the source of the iron.
pure substance
magnetic separation.
iron
Sulfur and iron filings together are a mixture.
Fine iron filings
Pure iron filings will be attracted to a magnet; but pieces of iron carbonate will not.
separate iron filings AND ash from water by filtration or evaporation then, if required, separate iron filings from ash by using a magnetic field,
If they are iron filings, you can use the property of magnetism to remove the iron filings using a magnet. You will need to rinse the iron filings with water after you remove them with the magnet in order to completely remove the sawdust from them.
A magnet should be very good at picking out the iron filings.
No, iron filings are not a mixture