Galvanization, the process of coating iron or steel with a thin layer of zinc, is a widely used method to prevent rusting. Zinc acts as a barrier and also provides sacrificial protection (cathodic protection) because it is more electrochemically active than iron.
To protect steel and iron from rusting, a thin layer of which one of the following metals is applied ?
Asked in UPSC NDA 2 2021 · Topic: Metals, Minerals, Ores: Properties, Uses (Corrosion of metals: causes, mechanism (rusting), and prevention methods (galvanization, anodizing, electroplating, alloying, painting))
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