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Question : Silver gets corroded due to_________in air.

Option 1: oxygen

Option 2: Hydrogen sulphide

Option 3: Carbon dioxide

Option 4: Nitrogen


Team Careers360 4th Jan, 2024
Answer (1)
Team Careers360 9th Jan, 2024

Correct Answer: Hydrogen sulphide


Solution : The correct option is Hydrogen sulphide.

Silver can corrode due to the airborne hydrogen sulphide (H 2 S) content. Silver sulphide (Ag 2 S) is the main component of the black tarnish that results from exposure to Hydrogen sulphide on silver. This tarnish coating can dull or blacken the look of silver. Regular exposure to Hydrogen sulphide or Sulphur-rich surroundings can cause the progressive accumulation of this tarnish on silver surfaces.

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