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?
Oxygen
Hydrogen sulphide
Carbon dioxide
Nitrogen
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
254 comments Page 26 of 26.

Dhanpal singh said:   1 decade ago
Because of chemical reaction.

Yashwanth said:   1 decade ago
Why cant other can perform it?

Paras said:   1 decade ago
Because it performs bleaching action probably.I'm not sure however!!

Umesh said:   1 decade ago
Why we choose hydrogen sulphide?
(1)


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