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 17 of 26.
Daraksha said:
7 years ago
Please give me a correct answer with explanation.
Shristy said:
2 years ago
Thanks all for explaining explaining the answer.
(10)
Anilkumar said:
9 years ago
I think the correct answer is carbon-di-oxide.
Rishi said:
8 years ago
According to me, It could be a carbon dioxide.
Akhildixit said:
1 decade ago
When copper are colour less they are oxidize.
Vinu said:
9 years ago
Can't understand. What's the correct answer.
Rajkumar chakraborty said:
7 years ago
"B" is right. I agree with the given answer.
Maya said:
7 years ago
The hydrogen sulphide is very good compound.
Ayushi said:
3 years ago
Why can't (D) be the answer? Explain please.
(1)
GODFRED ADUSEI said:
3 months ago
I also think option B is the correct answer.
(1)
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