Question

Silver articles become black on prolonged exposure to air. This is due to the formation of:

(A)Ag,N (B)Ag,O

(C)Ag,S (0) Ag,S & Ag,N

Answer 1

silver articles become black on prolonged exposure to air this is due to the formation of silver sulphide

Answer 2

Answer:

option "C" is correct answer

Explanation: