Question

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

Answer 1

Hi friend ,

The answer will be B) Hydrogen sulphide.

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Brass gets discoloured in air because of the presence of Hydrogen Sulphide gas.

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Hope this helped u..

Answer 2

Hi

Correct option ( B )
Hydrogen sulphide


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10/05/2017
By
manishnavik