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

Hydrogen sulphide

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Try These Similar MCQs

  • A Chlorine and Fluorine
  • B Hydrogen and Helium
  • C Carbon and Oxygen
  • D Fluorine and Caesium
  • A Water
  • B Cellulose
  • C Protien
  • D Starch
Explanation:
  • A Magnetic quantum number
  • B Principal quantum number
  • C Azimuthal quantum number
  • D Electron spin quantum number

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