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:
251 comments Page 2 of 26.
Anjali mishra said:
1 year ago
Option B is the correct answer.
(11)
Gopal said:
2 years ago
Yes, B is right. I agree.
(25)
Chilu said:
2 years ago
Thanks all for discussing it in detail for good understanding.
(22)
Abhi said:
2 years ago
B is the correct answer.
(17)
AliMaaz said:
2 years ago
The composition of Oxygen (O2) in the air is 21%.
Brass does not react with oxygen and thus decolourization does not occur.
Brass does not react with oxygen and thus decolourization does not occur.
(33)
Theja. said:
2 years ago
Thanks all for giving the explanation of the answers.
(16)
Akki said:
2 years ago
Thanks for explaining the answer.
(12)
Ashish deepanakar said:
2 years ago
Right, Thanks everyone for explaining.
(4)
Anomie said:
2 years ago
Brass does not react with oxygen, nitrogen and carbon dioxide. Because of the presence of Hydrogen sulphide, Brass is discolored in sunlight. Therefore, the answer is B.
(17)
Akhila said:
2 years ago
The Answer is option : A.
(2)
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