Silver articles become black on prolonged exposure to air. Because of________
A. Ag₃N
B. Ag₂O
C. Ag₂S
D. Ag₂S and Ag₃N
Answer:C
Silver articles become black on prolonged exposure to air. Because of________
A. Ag₃N B. Ag₂O C. Ag₂S D. Ag₂S and Ag₃N