Match the chemical formula of the compound correctly with its use :
| Compound | Use | ||
| a. | CaOCl2 | i. | Soap and detergent |
| b. | NaHCO3 | ii. | Putting casts on bones |
| c. | Na2CO3 | iii. | Disinfecting water |
| d. | CaSO4. \(\frac{1}{2}\) H2O | iv. | Used in antacids |
| e. | NaOH | v. | Removing permanent hardness of water |
1
a - ii, b - i, c - v, d - iii, e - iv
2
a - iii, b - iv, c - v, d - ii, e - i
3
a - v, b - iv, c - i, d - iii, e - ii
4
a - iii, b - v, c - iv, d - ii, e - i