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Which metal becomes black in the presence of hydrogen sulphide gas in the air?
CBSE | Chemistry | Class 10 | Exercise 1 | Lakhmir Singh | Metals and Non Metals
Which metal becomes black in the presence of hydrogen sulphide gas in the air?

Solution:

In the presence of hydrogen sulphide gas in the air, silver metal turns black. Silver(Ag) combines with hydrogen sulphide gas in the air to generate a thin silver sulphide (Ag2S) coating.

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