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Brass gets discolored in air because of the presence of which of the following gases in air? A. Oxygen B. Hydrogen sulphide

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Question added by Abubakr Khalaf Alla , HSE Director / Head of HSE Department , Ghantoot Transport& Contracting Company
Date Posted: 2016/07/25
Abubakr Khalaf Alla
by Abubakr Khalaf Alla , HSE Director / Head of HSE Department , Ghantoot Transport& Contracting Company

 - Option B.

It is because the presence of mixture of hydrogen and sulphide and brass is a type of thing which has a color very light and mixture is non temperature (hot and cold type of temperature) so it gets discolored

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