They are too small to see. yes under a microscope
yes
What is special about iron filings? Anything with iron in it has this property... magnets are attracted to iron! Magnets do not attract sand. You can use a magnet to separate iron filings from sand.
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.
Yes we can
What is special about iron filings? Anything with iron in it has this property... magnets are attracted to iron! Magnets do not attract sand. You can use a magnet to separate iron filings from sand.
Sulfur is a fine powder that is light yellow in color; iron filings are metallic. A mixture would be just that: a light yellow powder intersperced with metallic particles.
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
because magnet has a property that can attract metals/metal particles
magnetic separation.
iron
yes. using a magnet, you can separate iron from any non-ferromagnetic compound
Sulfur and iron filings together are a mixture.
Fine iron filings