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Posted on Feb 10, 2023

When Ag is exposed to air it gets a black coating of (a) AgNO 3 (b) Ag 2 S (c) Ag 2 O (d) Ag

When Ag is exposed to air it gets a black coating of
(a) AgNO₃
(b) Ag₂S
(c) Ag₂O
(d) Ag₂CO₃

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