Question

Silver articles become black on prolonged exposure to
air. This is due to the formation of
(a) Ag:N
(b) Ag:0
(c) Aggs
(d) Ag2S and AgzN​

Answer 1

Answer:

Ag2s

Explanation:

Silver metal reacts with atmospheric sulphur compounds like H2S gas and form black coating of Ag2S over surface.

Answer 2

when silver s exposed to air it form Black opt of Ag2S on reacting to with Sulphur in atm