Q.
Match the following columns and choose the correct option from the codes given below.
Column I
Column II
A
Orthoboric acid
1
$Na _{2} B _{4} O _{7} \cdot 4 H _{2} O$
B
Borax
2
$Na _{2} B _{4} O _{7} \cdot 10 H _{2} O$
C
Kernite
3
$H _{3} BO _{3}$
| Column I | Column II | ||
|---|---|---|---|
| A | Orthoboric acid | 1 | $Na _{2} B _{4} O _{7} \cdot 4 H _{2} O$ |
| B | Borax | 2 | $Na _{2} B _{4} O _{7} \cdot 10 H _{2} O$ |
| C | Kernite | 3 | $H _{3} BO _{3}$ |
The p-Block Elements
Solution: