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

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

1.Hydrogen sulphide

2.Oxygen

3.Nitrogen

4. Carbon dioxide


Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!