| List-$I$ (Chemical) | List-$II$ (Use) |
|---|---|
| $A$. $KOH$ | $I$. Coolant |
| $B$. $Na_{(l)}$ | $II$. Antacid |
| $C$. $Li$ | $III$. Electrochemical Cells |
| $D$. $Mg(OH)_2$ | $IV$. Absorbent for $CO_2$ |
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| List-$I$ Elements | List-$II$ Colour imparted to the flame |
| $A. K$ | $I. Violet$ |
| $B. Ca$ | $II. Brick Red$ |
| $C. Sr$ | $III. Crimson Red$ |
| $D. Ba$ | $IV. Apple Green$ |
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