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Deepika Deepika

Class 10th
Science
2 years ago

When Ag is exposed to air it gets a black coating of (a) AgNO3 (b) Ag2S (c) Ag2O (d) Ag2CO3

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Abhishek Mishra

2 years ago

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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