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

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asked Mar 18, 2020 120k views

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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

Biology
middle-school

Peter De Ridder asked

by Peter De Ridder

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1 Answer

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B. Hydrogen sulphide

UnderTaker answered Mar 23, 2020

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