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 22 of 26.
Komal said:
8 years ago
I think option B is the correct answer.
Agyare Isaac said:
8 years ago
The right answer is option B. I agree.
Jayanth said:
8 years ago
It is a mixture of cu+zn.
AVSK RAJPUT said:
8 years ago
It can never possible, with hydrogen sulphide. If brass gets rusted then, first of all, it must be break down into hydrogen and sulphur, but oxygen can be found in free with maximum no of molecules hence answer should be A".
Debiprasad parida said:
8 years ago
Option B is correct.
Nasir said:
8 years ago
Option B is correct.
Hitesh said:
8 years ago
In my opinion option A is correct as we see in fruits such as apples and bananas they get brown colour in coming in contact with air and because of oxygen it is.
Archangel Micheal said:
8 years ago
For me, the correct answer is hydrogen sulfide because as far as I know it is acidic and poisonous.
MADEIA said:
7 years ago
Option B is correct. I agree with the given answer.
Adarsh said:
7 years ago
I think the correct answer is A.
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