Science, asked by ashok3222, 1 year ago

1.

Brass gets discoloured in air because of the presence of which of the following gases in air?

A.OxygenB.Hydrogen sulphideC.Carbon dioxideD.Nitrogen

Answers

Answered by Anonymous

1

c............is the aswer

Anonymous: no

Anonymous: than

rehan778866khap56hzs: ri8 ans is Hydrogen sulphide

ashok3222: sorry but ans is B

Anonymous: sorry dr

Answered by Anonymous

1

the right answer is hydrogen sulphide.

ashok3222: thanks again

Anonymous: wlcm

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