Question

Silver objects turn black due to the formation of a layer of
dash on their surfaces .​

Answer 1

Answer:

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.

Answer 2

Answer:

SILVER OBJECTS AND BLACK DUE TO THE FORMATION OF A LAYER OF SILVER SULPHIDE ON THEIR SURFACE.....