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Palak Jain

Palak Jain

Posted on March 11, 2014

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

 
Brass gets discoloured in air because of the presence of which of the following gases in air? A. Oxygen B. Hydrogen sulphide C. Carbon dioxide D. Nitrogen
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  • Palak Jain
    on March 21, 2014
    B
  • Palak Jain
    on March 21, 2014
    B. Hydogen sulphide
  • Palak Jain
    on March 13, 2014
    B. Hydrogen sulphide