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xav11vfc

Total Videos: 7

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La réaction chimique entre l'acide chlorhydrique et le fer

Uploaded: April 5, 2010 Views: 3
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La caractérisation de quelques ions

Uploaded: April 2, 2010 Views: 7
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cloclo

Uploaded: January 17, 2010 Views: 2
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La distillation

Uploaded: December 26, 2009 Views: 464
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l'expérience de Rutherford

Uploaded: December 9, 2009 Views: 9
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koh lanta

Uploaded: November 28, 2009 Views: 2
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DI fort boyard

Uploaded: November 27, 2009 Views: 2
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