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Chemistry listen 1

 
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Joined: 07 Apr 2009
Posts: 28

PostPosted: Sat Apr 18, 2009 5:52 pm    Post subject: Chemistry listen 1 Reply with quote

Go to the internet find the difinition and example with
Element
Compounds
Molecules
Atom
Sub-atom
pure substance
Insoluble
soluble
mixture

Then explam in a full detail how superature the iron powder, salt powder and sand when they are mixing together?
make sure you list all the equipments.
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