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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Meysam · Answer 1 · 2018-12-11T05:15:14+0000

B. Because of the presence of hydrogen sulphide in Brass, it combines with oxygen in air and form water, evaporates. So remained sulphide is colourless in air .So Brass gets discoloured in the 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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