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Cael Harvey
Physics
9 October, 20:47
Why isn't iron used to make coin
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Kailyn Day
9 October, 20:50
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Iron is highly reactive, particularly to oxygen and water. This means it will oxidize, or rust.
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Terry Solomon
9 October, 21:12
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If iron were used to make coins then it would rust easily, because of its exposure to water, air etc ...
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