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 18 of 26.
Mita sen said:
1 decade ago
H2S is present in atmosphere?
Raja rupendra said:
1 decade ago
Because it is better rathering with hydrogen sulphide.
Paras said:
1 decade ago
Ya option B is correct due to brass chemical compound and physical behaviour.
Meena said:
1 decade ago
I think it must be a certain new type of reaction.
Sawmiya said:
1 decade ago
Answer B is correct because brass is a material (Cu+Zn=brass) H2SO4 is acid so the brass is discoloured.
Lingaswamy said:
1 decade ago
According to my knowledge when sulphuric reacts with brass that surface will eats away with that when light falls on that light oriented in different direction so that we can't get any color appear there thats we may get black color.
My think so.
My think so.
Archita said:
1 decade ago
Is the Hydrogen Sulphide more corrosive in nature?
Dnyanesh unawane said:
1 decade ago
Hydrogen sulphide is having better bleaching ability.
Sravya said:
1 decade ago
I think the acidity of Hydrogen Sulphide is more than the oxygen. Because of that Brass can be easily discolored.
Pranab nath said:
1 decade ago
Hydrogen sulphate is correct answer.
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