1.
Brass gets discoloured in air because of the presence of which of the following gases in air?
A. Oxygen
B. Hydrogen sulphide
C. Carbon dioxide
D. Nitrogen
Answers
Answered by
0
carbon-di-oxide ................
nirajkumarraj74:
wrong
how
u should first describe which Newton kk
Answered by
1
I think so hydrogen aulphide
right
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