The loss in weight should not exceed ________ % when tested with Na2S – McqOptions

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1.	The loss in weight should not exceed ________ % when tested with Na2SO4 and ________ % with MgSO4 solution.
A.	12, 18
B.	18, 12
C.	10, 15
D.	15, 10
Answer» B. 18, 12

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