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| કોલમ-$I$ | કોલમ-$II$ |
| $A$. $Pb_3O_4$ | $I$. તટસ્થ ઓક્સાઈડ |
| $B$. $N_2O$ | $II$. એસિડિક ઓક્સાઈડ |
| $C$. $Mn_2O_7$ | $III$. બેઝિક ઓક્સાઈડ |
| $D$. $Bi_2O_3$ | $IV$. મિશ્ર ઓક્સાઈડ |
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