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#1 2018-01-15 03:57:14
- hamidoon123
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Nameplates made of brass get discoloured in air because of the pr...
Science GK Exams Quizzes MCQs Quizzes General Science Basic Chemistry Quiz Online Test For Prep Questions with Answers Mcqs
Question:
Nameplates made of brass get discoloured in air because of the presence of which of the following gases in the air?
Option A):
Oxygen
Option B):
Hydrogen sulphide
Option C):
Nitrogen
Option D):
Carbon dioxide
Correct Answer is Option B):
Hydrogen sulphide
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2018-01-15 03:57:14
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Re: Nameplates made of brass get discoloured in air because of the pr...
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