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 20 of 26.
Manvitha sai said:
9 years ago
I think the correct answer is hydrogen.
Parikshit said:
9 years ago
I do think so the correct option is A. It can't be B at all. Just pay attention that iron gets rust due to moisture mostly from oxygen.
Maimuna said:
9 years ago
Please someone clearly explain the mechanism behind this process, it's very confusing for me.
SHYAM said:
9 years ago
The correct option is B. I also agree.
Dhruv Gaur said:
9 years ago
The correct option is b. I agree.
Ameya B said:
8 years ago
I think its option (A) as the content of hydrogen sulphide in the air is almost 0.
Anupriya said:
8 years ago
It may be the chemical reaction.
Anupriya said:
8 years ago
I think that option oxygen. As brass gets react with oxygen and get rust.
Anupriya said:
8 years ago
I think the correct option is oxygen. As brass gets react with oxygen and get rust.
Rishi said:
8 years ago
According to me, It could be a carbon dioxide.
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