Question

Account for the following: a) Silver articles when exposed to air become black after sometime.​

Answer 1

when silver articles exposed to air it become black after sometimes because silver is non reactive

Answer 2

Answer:

formation of hydrogen sulphide layer on the silver ....

Explanation:

when silver articles exposed to air it react with hydrogen and sulphur present in air and turned into black with the formation of black layer on silver articles with the passsage of time....

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