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 23 of 26.

Sakshi kawale said:   1 decade ago
It is due to sulphide only.

Pavan said:   1 decade ago
H2s is superconductor also.

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

Tashad said:   1 decade ago
Because it is homogeneous.

Jamelia said:   9 years ago
I believe it is option c.

Tanav said:   8 years ago
I think answer B is right.

Anshika Sharma said:   3 years ago
I think option B is right.
(2)

Saloni kumari said:   10 months ago
I think option B is right.
(1)

Mitu moharana said:   1 decade ago
Its due to sulphide only.

Jayanth said:   8 years ago
It is a mixture of cu+zn.


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