Question

Q. A silver article generally turns black when kept in the open for a few days. The article when rubbed
with toothpaste again starts shining.

(a) Why do silver articles turn black when kept in the open for a few days ? Name the phenomenon
involved.

(b) Name the black substance formed and give its chemical formula.

please give me the right answer, I will mark your answer as brainliest.​

Answer 1

Answer:

silver turn black when it react with sulpher in the atmosphere

it is a kind of displacement

Explanation:

the black substance is called silver sulphide

Answer 2

Answer:

Explanation:

Hiii dear aru !!

Silver metals develop a black layer of silver sulphide and reacts with hydrogen sulphide present in atmosphere.For help equation-

Ag+H₂S⇒Ag₂S+H₂

The phenomenon involved is corrosion.

b)Silver sulphide(Ag₂S) is  the black substance formed.

Plz mark as brainliest