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 26 of 26.
Maggy said:
9 months ago
Agree, Option B is the correct answer.
(7)
Ananya Kumari said:
6 months ago
Brass gets discoloured in the air primarily due to the presence of hydrogen sulfide (H₂S).
When hydrogen sulfide reacts with the copper in brass, it forms copper sulfide, which appears as a dark tarnish or discolouration on the surface of the brass.
When hydrogen sulfide reacts with the copper in brass, it forms copper sulfide, which appears as a dark tarnish or discolouration on the surface of the brass.
(4)
GODFRED ADUSEI said:
3 months ago
I also think option B is the correct answer.
Tejas said:
2 months ago
Yes, Thanks all for explaining it.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers