Science, asked by ashkbab, 10 months ago

Hello everyone...
Good morning
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​

Answers

Answered by Anonymous
2

Answer:

your answer is hydrogen sulphide

Answered by aksharapalakattu85
2

Option B

Hydrogen sulphide....

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