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:
248 comments Page 25 of 25.

RAMYARAMARAJ said:   1 decade ago
It is react with the atomsphere air,then it become colourless due to the effect of sulphide.
(1)

Nithesh said:   1 decade ago
I think it is nature of atmosphere.
(1)

$SHIVANSH.RATHOD$ said:   1 decade ago
It is because the presence of mixture of hydrogen and sulphide and brass is a type of thing which has a color very light and mixture is non temperature (hot and cold type of temperature) so it gets discolored.
(1)

Ramya said:   1 decade ago
I think right ans is option A.
(1)

Dhanpal singh said:   1 decade ago
Because of chemical reaction.

Yashwanth said:   1 decade ago
Why cant other can perform it?

Paras said:   1 decade ago
Because it performs bleaching action probably.I'm not sure however!!

Umesh said:   1 decade ago
Why we choose hydrogen sulphide?
(1)


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