| કોલમ $I$ | કોલમ $II$ |
|---|---|
| $A$. $CH_3COONa$ | $i$. લગભગ તટસ્થ,$pH > 7$ અથવા $< 7$ |
| $B$. $NH_4Cl$ | $ii$. એસિડિક,$pH < 7$ |
| $C$. $NaNO_3$ | $iii$. બેઝિક (આલ્કલાઇન),$pH > 7$ |
| $D$. $CH_3COONH_4$ | $iv$. તટસ્થ,$pH = 7$ |
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