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| List-$I$ | List-$II$ |
|---|---|
| $A$. આલ્કલી ધાતુઓ | $I$. $ns^2 np^6$ |
| $B$. આલ્કલાઇન અર્થ ધાતુઓ | $II$. $ns^1$ |
| $C$. હેલોજન | $III$. $ns^2 np^5$ |
| $D$. નિષ્ક્રિય વાયુઓ | $IV$. $ns^2$ |
| સંયોજન | ટકાવારી પ્રમાણ |
| $1. CaO$ | $d. 50-60\%$ |
| $2. Al_2O_3$ | $a. 5-10\%$ |
| $3. SO_3$ | $b. 1-3\%$ |
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