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 13 of 26.
Vishesh said:
2 years ago
According to me, option B is incorrect because they have asked for gas.
(12)
Priya said:
1 decade ago
Option b is the answer because it removes the chlorophyll from plants.
Rani said:
1 decade ago
Brass is a alloy so it can decolourise easily with hydrogen sulphide.
Science genius said:
1 decade ago
Oxygen makes metal corrode, so I think A might be a right answer too.
Xemox said:
9 years ago
Because when oxygen reacts with hydrogen chloride its get discolored.
Paras said:
1 decade ago
Because it performs bleaching action probably.I'm not sure however!!
Ashutosh mohapatra said:
1 decade ago
I think the correct answer is option A. Because oxygen is a carrots.
Priya said:
7 years ago
I think the right answer is option B. I agree with the given answer.
Ismail said:
9 years ago
Oxygen can also do this process, but in slowly and in low quantity.
Aditee agrawal said:
9 years ago
I think because other gases are inert. So, the correct answer is b.
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