Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of _____________________?
(A) MgO & Na2CO3
(B) MgSO4 & BaCl2
(C) BaSO4 & NaCl
(D) MgCO3 & NaCl
Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of _____________________?
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