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The method chosen depends upon the type of mixture. A mixture of iron filings and sand can easily be separated using a magnet. The iron filings are attracted to the magnet, but the sand is not.

This is known as an irreversible change. For example, if you mix water, sand and cement you get concrete. This sets hard and you can't get the original substances back again. You can separate a ...

The sieve shaker can be used for processing coffee, chemicals, cement clinker construction materials, flours, filler, fertilizers, metals, grains, powders, sand, plastics, and washing powder, to name ...