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Brass gets discoloured in air because of the presence of which of the following gases in air? A. Oxygen B. Hydrogen sulphide C. Carbon dioxide D. Nitrogen

Brass gets discoloured in air because of the presence of which of the following gases in air? A. Oxygen B. Hydrogen sulphide C. Carbon dioxide D. Nitrogen
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Brass gets discoloured in air because of the presence of which of the following gases in air?

A. Oxygen
B. Hydrogen sulphide
C. Carbon dioxide
D. Nitrogen

asked
User Jem Tucker
by
7.9k points

2 Answers

4 votes
B.
Hydrogen sulphide.

answered
User Roger Allen
by
8.4k points
2 votes
Hello,

The answer is option B "Hydrogen sulphide".

Reason:

The answer is option B because hydrogen sulphide it combines with oxygen in air and form water, evaporates.

If you need anymore help feel free to ask me!

~Hope this helps!

~Nonportrit
answered
User Revell
by
7.7k points
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