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Consider the following statement: Statement-1: Poiling process is used to refinning of copper and lead. Statement-2: The scavenger which is used in the manufacture of steel is maganese. Statement-3: The chemical comosition of mattert in Cu_(2)O+Cu_(2)S. Statement-4: In the extraction of aluminium from aluminia Al_(2)O_(3) undergoes dissociation. And arrange in the order of ture/false |
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Answer» FTFF |
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