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Topic: Rusting of iron nail  (Read 3776 times)

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Offline skyranger

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Rusting of iron nail
« on: May 14, 2009, 10:48:40 AM »
i want to ask why the hydrogen gas does not come out during the rusting of iron nail when there is no matal strip. then if there is a metal strip around the iron nail, why it will out hydrogen gas?

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