General Knowledge - General Science - Discussion
Discussion Forum : General Science - Elements and Metals (Q.No. 1)
1.
Brass gets discoloured in air because of the presence of which of the following gases in air?
Discussion:
254 comments Page 26 of 26.
Hitesh said:
7 years ago
Option B is right.
Harika said:
5 years ago
Brass is an alloy.
Blank22 said:
10 years ago
How hard is that?
Firoz said:
9 years ago
Oxygen @Sachin.
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