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Why Brass gets discoloured in air because of the presence of which gases in air?
Question Posted on 01 Nov 2019
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Why Brass gets discoloured in air because of the presence of which gases in air?
Why Brass gets discolored in air because of the presence of which gases in air?
Choose the correct option from below list
(1)Hydrogen sulphide
(2)Oxygen
(3)Nitrogen
(4)Carbon dioxide
Answer (1) Hydrogen sulphide
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