Question
Match List-I with List-II :
| List-I (Compounds) |
List-II (Molecular formula) |
||
|---|---|---|---|
| (a) | Borax | (i) | NaBO$_2$ |
| (b) | Kernite | (ii) | Na$_2$B$_4$O$_7$ . 4H$_2$O |
| (c) | Orthoboric acid | (iii) | H$_3$BO$_3$ |
| (d) | Borax bead | (iv) | Na$_2$B$_4$O$_7$ . 10H$_2$O |
Choose the correct answer from the options given below :