Question:-
Which one of the following orders is the correct order of passing the flue gases through the different absorbents (in the flasks) during analysis in Orsat apparatus?
Option (A)
Potassium hydroxide solution - alkaline solution of pyrogallic acid - cuprous chloride solution
Option (B)
Potassium hydroxide solution - cuprous chloride solution - alkaline solution of pyrogallic acid
Option(C)
Alkaline solution of pyrogallic acid - cuprous chloride solution - potassium hydroxide solution
Option(D)
Cuprous chloride solution - potassium hydroxide solution - alkaline solution of pyrogallic acid
Correct Option:
(A)
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