why does the silver jewellery become dull after prolonged use
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silver articles, when exposed to air become black after sometime. this is because the silver metal reacts with sulphur present in the atmosphere and forms silver sulphide. thus, a layer of silver sulphide is formed on the surface of silver articles, because of which they appear dull......!!!
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Silver jewellery becomes dull after prolonged use because of reaction with sulphur and hydrogen .
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