definatin of corrossion
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Corrosion is the breakdown of materials due to chemical reactions. It is usually oxidation with air molecules and often in the presence of water. Corrosion also occurs when an acidic or basic material touches another material. ... Corrosion is a form of erosion
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The rusting of iron in the presence of air and moisture is termed as corrosion.
for corrosion two factors is responsible :-
(1) presence of air
(2) presence of water (moisture)
Formula of rusting of iron is
Fe2O3•xH2O
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