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Most soft drinks are slightly acidic, and aluminium is a very reactive metal -- E0 is -1.7 volt. Why, then, does the can not react with the contents?

There are two reasons. Firstly, although aluminium is potentially very reactive, its first reaction is usually to form an impervious layer of aluminium oxide over the whole of its surface, and this ensures its inability to react further. Secondly, just to make sure, most aluminium drink cans are coated on the inside with a thin film of unreactive plastic.


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11y ago
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9y ago

As with steel cans, aluminum cans have a thin plastic coating applied on the inside.

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9y ago

it is light weight so is easier to carry around.

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14y ago

because they suck

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Q: Why does a aluminum drinks can not react with the contents?
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