The process in which the surface of the metals is cleaned by a chemical is called

leeching

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galvanization

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pickling

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reduction

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Solution

The correct option is C
pickling

Conc. sulphuric acid is used in cleaning the surfaces of metals as it is able to dissolve impurities in it. This process is called Pickling

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The process in which the surface of the metals is cleaned by a chemical is called

Galvanization is a process in which metal (Iron or steel) is __________.

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