Silver articles become black on prolonged exposure to air. This is

due to the formation of

(A) Ag 3 N

(B) Ag 2 O

(C) Ag 2 S

(D) Ag 2 S and Ag 3 N

 

Answer.

Silver articles react with sulphur present in air and turn black due to the formation of Ag 2 S

So, the correct answer is (c)

  1. Class 10
  2. Chapter 3 Class 10 - Metals and Non-Metals (Term 1)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo