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 21 of 26.
Ssd said:
10 years ago
Brass is a compound of cu and zn.
Dhruv Gaur said:
9 years ago
The correct option is b. I agree.
Suman said:
6 years ago
Because H2S is a bleaching agent.
Akki said:
3 years ago
Thanks for explaining the answer.
(12)
Umesh said:
1 decade ago
Why we choose hydrogen sulphide?
(1)
Bikash Panigrahi said:
1 decade ago
It's due to the sulphide action.
(1)
Anupriya said:
8 years ago
It may be the chemical reaction.
Adarsh said:
7 years ago
I think the correct answer is A.
Anjali mishra said:
2 years ago
Option B is the correct answer.
(13)
Yashwanth said:
1 decade ago
Why cant other can perform it?
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