Science, asked by KunjMakadia, 7 months ago

When Ag is exposed to air it gets a black coating of?​

Answers

Answered by nigarg82
4

Answer:

Ag stands for silver

When silver Is expose to air, it reacts with the hydrogen sulphide gas that is present in the air to form a black coating of silver sulphide. Silver sulphide is insoluble in all the solvents.

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