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 24 of 26.
Rathod said:
3 years ago
Agree, option B is right.
(2)
Akhila said:
3 years ago
The Answer is option : A.
(2)
Anomie said:
3 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)
Ashish deepanakar said:
3 years ago
Right, Thanks everyone for explaining.
(4)
Akki said:
3 years ago
Thanks for explaining the answer.
(12)
Theja. said:
3 years ago
Thanks all for giving the explanation of the answers.
(16)
AliMaaz said:
3 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.
(34)
Abhi said:
2 years ago
B is the correct answer.
(17)
Chilu said:
2 years ago
Thanks all for discussing it in detail for good understanding.
(22)
Gopal said:
2 years ago
Yes, B is right. I agree.
(25)
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