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2264

Q: Brass gets discoloured in air because of the presence of which of the following gases in air  ?

  • 1
    Hydrogen sulphide
  • 2
    Oxygen
  • 3
    Nitrogen
  • 4
    Carbon dioxide
  • Show Answer
  • Workspace

Answer : 1. "Hydrogen sulphide"
Explanation :

Answer: A) Hydrogen sulphide Explanation:

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