Seudónimo Seudónimo

12-03-2018
Biology

contestada

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 xghost88890x

12-03-2018

B.
Hydrogen sulphide.

Answer Link

Nonportrit Nonportrit

12-03-2018

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

Answer Link

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