In the _________ sulfidity‚Äö√Ñ√∂‚àö√ë‚àö¬•s – McqOptions

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1.	In the _________ sulfidity‚Äö√Ñ√∂‚àö√ë‚àö¬•s the ratio of Na₂S to the active alkali, expressed as a %.$
A.	Green liquor
B.	Red liquor
C.	White liquor
D.	Black liquor
Answer» D. Black liquor

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