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 25 of 26.

Ayush said:   10 years ago
What is its equation?

Rohith said:   8 years ago
It is a powerful gas.

Hina said:   1 decade ago
Option b is correct.

Navendu said:   10 years ago
Should it be oxygen?

Debiprasad parida said:   8 years ago
Option B is correct.

Nasir said:   8 years ago
Option B is correct.

Anbarasan said:   1 year ago
How? Please explain.
(5)

Pathar jignesh said:   1 decade ago
I can't understand.

Pavan said:   3 years ago
Explain the answer.

Himanshu said:   9 years ago
How H2S effect it?


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