define corrosinon.write chamical formula of rust.Give two methods to prevent corrosion.
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corrosion is the degradation of metals by the action of air and moisture
Formula of rust:Fe2O3.xH2O
two methods to prevent corrosion:
1)Galvanisation(zinc coating on iron)
2)Applying paint; oil or gease
Formula of rust:Fe2O3.xH2O
two methods to prevent corrosion:
1)Galvanisation(zinc coating on iron)
2)Applying paint; oil or gease
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