Chemistry · Metals and Non-metals
Why do silver articles turn black when kept exposed to the atmosphere for a few days?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Due to reaction with hydrogen sulphide gas present in the air✓
- 2Due to reaction with nitrogen oxides present in the air
- 3Due to reaction with carbon monoxide present in the air
- 4Due to reaction with elemental oxygen gas in the air
Correct answer
Due to reaction with hydrogen sulphide gas present in the air
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