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 19 of 26.

Ashritha said:   9 years ago
As per my knowledge, it is option A.

Tushar kumar said:   9 years ago
It is because of chemical reaction.

Saurabh said:   9 years ago
Why we found a milky colour sample of C.G.C KOD'S drain?

Sonia said:   9 years ago
It is because of chemical reaction.

Nipun said:   9 years ago
According to me, the answer is option A.

Hina said:   9 years ago
Whats the optional element other than H2S?

Himanshu said:   9 years ago
How H2S effect it?

Aditee agrawal said:   9 years ago
I think because other gases are inert. So, the correct answer is b.

Himanshu said:   9 years ago
This is not a fact @Aditee.

K.Manvithasai said:   9 years ago
The correct option is A.


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