1.

Name the compounds formed when Fe, Cu, Ag and Al get corroded.

Answer»

Fe--- Fe2O3.xH2OCu--- CuO and Cu2OAl--- Al2O3Ag--- It forms unstable oxide film. ZBut it gets tarnished due to the formation of Ag2S

Fe.....Fe203.xH20Cu....CuO & Cu20Al....Al203Ag...it forms unstable oxide film. ZBut it gets tarnished due to the formation of Ag2S



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