Chemistry · Metals and Non-metals
Silver ornaments and silver coins acquire a black coating on their surfaces when exposed to air for a long time. This black substance is formed due to the reaction of silver with hydrogen sulfide present in the air, and is chemically known as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Hydrogen sulfide
- 2Zinc sulfide
- 3Silver oxide
- 4Silver sulfide✓
Correct answer
Silver sulfide
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