define galvanisation and electro electrorefining?
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Definition of electrorefining. : refining of a metal (such as copper) by electrolysis, the crude metal used as the anode going into solution and the pure metal being deposited upon the cathode. — called also electrolytic refining.
galvanization (or galvanizing as it is most commonly called) is the process of applying a protective zinc coating to iron or steel, to prevent rusting. The most common method is hot dip galvanizing, in which steel sections are submerged in a bath of molten zinc.
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the process of depositing a layer of zinc metal in order to prevent Rusting of iron is galvanisation
electric refining is refining of impure metal with the help of electricity
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