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why should silver articles become black …

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why should silver articles become black aftet some time when exposed in air

Posted by Tunu Panigrahi 6 years, 7 months ago

CBSE > Class 10 > Science

2 answers

Yogita Ingle 6 years, 7 months ago

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 and black.

1Thank You

Ajeet Patel 6 years, 7 months ago

Because it react with air and atmospheric gasses and get corrode so after some time it get blackish colour

2Thank You

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CBSE > Class 10 > Science