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Why do exhaust pipes rust?

Updated: 10/20/2022
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14y ago

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When you burn fuel and air in an engine the products contain A mixture of CO2, H2O and N2. H2O contains dissolved oxygen, which combines with the Iron (Fe) in the steel and produces the compound Fe(OH)3 , the all too familiar rust.

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14y ago
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Q: Why do exhaust pipes rust?
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