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 16 of 26.
Paritosh said:
1 decade ago
What is hydrogen sulphide? why should we choose it ?
Sahana said:
1 decade ago
How its possible air doesn't have hydrogen sulphide?
Abcdef said:
1 decade ago
How we can learn to balace reactions for class 8th?
MADEIA said:
7 years ago
Option B is correct. I agree with the given answer.
Poonam said:
1 decade ago
Because brass is metal it get react with sulphide.
Archita said:
1 decade ago
Is the Hydrogen Sulphide more corrosive in nature?
Meena said:
1 decade ago
I think it must be a certain new type of reaction.
Vipin kumar said:
8 years ago
It oxidises brass that result in change of colour.
Shailendra said:
1 decade ago
Hydrogen sulphide is answer it reacts with metal.
Satyendra pal said:
1 decade ago
Option is A because oxygen gas is present in air.
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