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chemistry experiments 2. Old Version .

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Uploaded on Jun 8, 2009

chemistry experiments 2 - flashpowder , sodium thermite nitric acid and copper + sulphuric acid flashpowder ignition genie in a bottle h2o2 potassium iodate sulpher and charcoal P+ potassium chlorate
visis
www.freewebs.com/mrdan4

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