shining surface of metal is tranished after some time
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Shining surface of the metal is prone to getting weared away with time. The more it is used, the more it loses its lustrous character. So, it is tarnished after some time.
Hope this helps ^_^
Hope this helps ^_^
priyankagagan3pagzlj:
thank u
Answered by
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Because of oxidation reaction metal lost their shining property after some time when left open in air for a long time
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