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Joined: 07 Apr 2009 Posts: 28
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Posted: Sat Apr 18, 2009 5:52 pm Post subject: Chemistry listen 1 |
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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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