why is chromium used for electoplanting.
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Chromium has a high melting point, stable crystalline structure, and moderate thermal expansion. The metal is commonly used for plating to produce a shiny, hard surface that is resistant to corrosion. All chromium compounds are colored.
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In the process of Electroplating iron with chromium, a thin layer of chromium is deposited on iron. Chromium metal is used because chromium metal is not attacked by the oxygen and water present in air i.e resistant to corrosion and it has shiny appearance. It resists scratches also. Advantages of electroplating:
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