Why metal often loose their shine and appear dull ❔
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Some metals often lose their shine and appear dull, because of the action of air and moisture on them. Some metals as a result of oxidation with the atmospheric oxygen form oxides and by which their appearance becomes dull.
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Some metals often lose their shine and appear dull, because of the action of air and moisture on them. ... As in iron which reacts with moist air and oxidizes into rust (iron III oxide) and aluminium reacts to form its oxide.
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