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Question

The silver necklace after using for some time becomes black. This is due to the formation of: 


A
Ag2O
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B
AgBr
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C
AgI
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D
Ag2S
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Solution

The correct option is D $$Ag_2S$$
Silver necklace becomes black in colour due to formation of $$Ag_2S$$. Since Ag reacts with $$H_2S$$ present in atmosphere to form$$Ag_2S$$.

Chemistry

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