Question

silver object and black due to the formation of a layer__ of on their surfaces fill in the blank ​

Answer 1

Answer:

Silver objects turn black due to the formation of a layer of silver sulphide.

Answer 2

Silver objects turn black due to formation of a layer of silver sulphide on their surface.

• Traces of hydrogen sulphide present in air react with silver to form silver sulphide, which gives metal black appearance.