Question

why do some materials lose their shine

Answer 1

Answer:

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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Answer 2

Answer:

Material lose their shine after sometime if we use them because of constant deposition of dust particles over them make them look dull and dirty. Thus they lose their shine

Explanation:

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