Very easily, put a magnet on them it will attract the iron but not the aluminium.
use a magnet
Hi Use magnet to separate aluminum from iron.Iron is attracted by magnet and gets separated from aluminum. Dr Vidya Kaushik
With a magnet : only iron will be attracted.
you an use a magnet to get the iron fillings out
Use a magnet to lift out the iron filings.
The easiest way is with a magnet. It'll attract the iron and not the copper. If you're on a higher budget, the difference in the melting point could help.
All you have to do is put a magnet over the mess of sawdust and iron fillings and the iron fillings will get stuck to the magnet. Then their seperated
A magnet
use a magnet :)
Use an electromagnet.
magnetism
Aluminum and iron can be differentiated because iron is magnetic and aluminum is not. To separate them, expose the filings to a magnetic source and the iron will separate.