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Espelho de prata(Ag mirror)

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Uploaded by on Jul 13, 2008

Tollens reaction, silver mirror

Demonstração do espelhamento de um tubo de ensaio usando AgNO3+NaOH+NH4OH+C12H22O12
instruções:
num tubo de ensaio, coloque uma solução de AgNO3 e coloque algumas gotas de NaOH, a solução ficara com um tom marrom. Coloque hidróxido de amonio até a solução ficar incolor, adicione glicose ou sacarose e esquente.

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Uploader Comments (JoaumlEphgb)

  • Qual é o nome da música ?

    abraç

  • ironman

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All Comments (5)

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  • galera onde consigo comprar esses tubos de ensaio?? sou de brasilia df!...

  • thanks

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