| Column-$I$ | Column-$II$ |
| $A$. Zymase | $i$. Absence of air |
| $B$. Invertase | $ii$. Copper sulphate and pyridine |
| $C$. Anaerobic condition | $iii$. Sucrose |
| $D$. Denaturation of ethanol | $iv$. Ethanol |
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