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

Asked Jan 29, 2017 Modified Aug 13, 2023 Viewed 0 times
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Gk general-science-gk
asked Jan 29, 2017 at 15:57
1 Answer
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Hydrogen sulphide
answered Aug 13, 2023 at 19:20

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