Author Topic: chemistry  (Read 2046 times)

Offline talha abid

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chemistry
« on: November 27, 2012, 11:14:52 am »
i need this answer urgently!!!!!!!!!!!!!!

Offline Deadly_king

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Re: chemistry
« Reply #1 on: November 27, 2012, 01:38:54 pm »
Copper and Zinc