| કોલમ $A$ | કોલમ $B$ |
| $(i) \; Na_{2}O$ | $(a) \; {\text{તટસ્થ}}$ |
| $(ii) \; Al_{2}O_{3}$ | $(b) \; {\text{બેઝિક}}$ |
| $(iii) \; N_{2}O$ | $(c) \; {\text{એસિડિક}}$ |
| $(iv) \; Cl_{2}O_{7}$ | $(d) \; {\text{ઉભયગુણી}}$ |
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