In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorb – McqOptions

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1.	In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorbed by__________________?
A.	Cuprous chloride
B.	Potassium hydroxide
C.	Alkaline pyrogallol solution
D.	None of these
Answer» B. Potassium hydroxide

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