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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

Respuesta :

xghost88890x
B.
Hydrogen sulphide. 

Nonportrit
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

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