| Q.6 | On exposure to air, table salt (NaCl) turns moist and ultimately forms a solution especially during rainy season because it contains impurities like ______________ which are deliquescent. | |
| Ans | 1. copper sulphate | |
| 2. ferrous chloride | ||
| 3. sodium sulphate | ||
| 4. calcium chloride |
Correct Ans Provided: 4