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{:("column I","column II"),("(A)"4.1gH_(2)SO_(3),"(p) 200 mL of 0.5 N base is used for complete neutralization"),("(B)" 4.9 g H_(3)PO_(4),"(q) 200 millimoles of oxygen atoms"),("(C)"4.5 g " oxalic acid" (H_(2)C_(2)O_(4)),"(r) Central atom is in its highest oxidation number"),("(D)"5.3 g Na_(2)CO_(3),"(s)May react with an oxidising agent"):} |
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