Brass gets discoloured in air because of the presence of which of the following gases in air?
Correct answer is marked with
Oxygen0% / 0
Hydrogen sulphide100% / 1
Carbon dioxide0% / 0
Nitrogen0% / 0
None/all0% / 0
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NetPoll | Brass gets discoloured in air because of the presence of which of the following gases in air? https://netpoll.in/C1Q76JM3RX