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 15 of 26.
Pavan said:
1 decade ago
H2s is superconductor also.
Tashad said:
1 decade ago
Because it is homogeneous.
Sai mahesh said:
1 decade ago
Actually hydrogen sulfide is a oxidizing agent so when the bras is oxidize with hydrogen sulfide its convert to brass oxide.
Like iron is reacts with oxides then its changes iron color. Like that brass converts into colorless.
Like iron is reacts with oxides then its changes iron color. Like that brass converts into colorless.
Ssd said:
1 decade ago
Brass is a compound of cu and zn.
Chemistry begineer said:
1 decade ago
Different substance have different reactivity, so hydrogen sulphide is it's corroded form. Maybe.
Blank22 said:
1 decade ago
How hard is that?
Ayush said:
1 decade ago
What is its equation?
Himani said:
1 decade ago
Why we choose hyroden sulphide? I can't understand. Please anybody help me.
Ankit said:
10 years ago
Because brass is react with sulphide then it will corroded.
Dev said:
10 years ago
Actually, Brass is not a simple metal but an alloy i.e. a mixture of Cu and Zn. Generally sulphur in air is very reactive to copper mixtures. So the answer is B.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers