Question

name type of reaction Silver items turning black When left exposed to air​

Answer 1

Answer:

Silver article turns black when kept in the air because silver article reacts with sulphur compounds such as hydrogen sulphide (H2S) present in air. The phenomenon is called corrosion. For silver particularly, it is called tarnishing of silver.

Answer 2

Answer:

oxidation reaction

Explanation:

it reacts with sulphur present in atmosphere to form silver sulphide