Question

Why do silver particles become black when after sometime
exposed to air

Answer 1

hello my dear friend...
here's your friend to help you understand this question...
it is the process of corrosion... which turns silver black....
silver gets oxidised.. when left exposed to air.....

it actually reacts with sulphur present in air to form
.. hydrogen sulphide forming a black precipitate...
I hope I was able to increase your kind knowledge....
please mark the best answer as brainliest...

Answer 2

SINCE AIR CONTAINS A MIXTURE OF IMPURITIES..SILVER WHEN EXPOSED TO AIR REACTS WITH SULPHUR FORMING A BLACK LAYER OF SILVER SULPHIDE.

AG+S➡AG2S.


HOPE IT HELPS U. ..