MCQOPTIONS
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| 1. |
Identify the major liquefied salts in sea water - 1 - sodium chloride 2 - sodium sulphate 3 - calcium carbonate 4 - potassium sulphate |
| A. | 1 और 2 |
| B. | 1, 2 और 3 |
| C. | 1, 2, 3 और 4 |
| D. | none of the above |
| Answer» D. none of the above | |