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| स्तंभ-$I$ | स्तंभ-$II$ |
| $A$. $Pb_3O_4$ | $I$. उदासीन ऑक्साइड |
| $B$. $N_2O$ | $II$. अम्लीय ऑक्साइड |
| $C$. $Mn_2O_7$ | $III$. क्षारीय ऑक्साइड |
| $D$. $Bi_2O_3$ | $IV$. मिश्रित ऑक्साइड |
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