Science, asked by nitu1238, 1 year ago

why do silver articles become black on prolonged exposure to air

Answers

Answered by gurpreet3863
2
silver articles become black on prolonged exposure to air because of corrosion of silver.
In this the silver react with hydrogen sulphide to form Silver sulphide which is black in colour.
Ag (silver) +H2S gives Ag2S(black) +H2
Answered by pranav2520
1
When silver objects are kept in air, they get tarnished and gradually turn black due to the formation of a thin layer of silver sulphide on their surface by action of hydrogen sulphide present in air ......
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