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Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of | |
A. | MgO & Na2CO3 [Correct Answer] |
B. | MgSO4 & BaCl2 [Wrong Answer] |
C. | BaSO4 & NaCl [Wrong Answer] |
D. | MgCO3 & NaCl [Wrong Answer] |