In the _________ sulfidity s the ratio of Na2S to the active alkali, e – McqOptions

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1.	In the _________ sulfidity s the ratio of Na₂S to the active alkali, expressed as a %.
A.	tGreen liquor
B.	tRed liquor
C.	tWhite liquor
D.	tBlack liquor
Answer» D. tBlack liquor

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