Asked by Squirrelheart


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
Answered by Squirrelheart
Opps, silly me.I choose B...please check it.I am very grateful!
Answered by Squirrelheart
Yes, the correct answer is B...thanks for reading through.🤦‍♀️I really thought I got it wrong.