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?
Oxygen
Hydrogen sulphide
Carbon dioxide
Nitrogen
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
254 comments Page 15 of 26.

Jeron said:   9 years ago
No, it is option B because they are asking discoloured one.

Patrick said:   9 years ago
Hydro sulphide is a colourless gas when mixed with others.

Saurabh said:   9 years ago
Why we found a milky colour sample of C.G.C KOD'S drain?

Rahulramesh said:   1 decade ago
Any metal is discoloured in the process of oxidisation.

Yochana said:   1 decade ago
How can you say that H2S is present in the atmosphere?

Raja rupendra said:   1 decade ago
Because it is better rathering with hydrogen sulphide.

Physic said:   1 decade ago
When object is place between focus and optical center.

VENKAT said:   1 decade ago
In air mixing the salt. In nature of salt properties.

Dnyanesh unawane said:   1 decade ago
Hydrogen sulphide is having better bleaching ability.

Theja. said:   3 years ago
Thanks all for giving the explanation of the answers.
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