A) ?Sodium Chloride, Magnesium Chloride, Magnesium Sulphate, Calcium Sulphate
B) ?Magnesium Chloride, Magnesium Sulphate, Calcium Sulphate, Sodium Chloride
C) ?Sodium Chloride, Calcium Sulphate, Magnesium Sulphate, Magnesium Chloride
D) ?Magnesium Sulphate, Calcium Sulphate, Sodium Chloride, Magnesium chloride
Correct Answer: A
Solution :
?Major Salts in the Ocean Waters| Name of the salt | Quantity per thousand grams of water (%) | Percentage of the total salts |
| 1. Sodium Chloride (NaCI) | 27.213 | 77.8 |
| 2. Magnesium Chloride \[(MgC{{I}_{2}})\] | 3.807 | 10.9 |
| 3. Magnesium Sulphate \[(MgS{{O}_{4}})\] | 1.658 | 4.7 |
| 4. Calcium Sulphate \[(CaS{{O}_{4}})\] | 1.260 | 3.6 |
| 5. Potassium Sulphate \[({{K}_{2}}S{{O}_{4}})\] | 0.863 | 2.5 |
| 6. Calcium Carbonate \[(CaC{{O}_{3}})\] | 0.123 | 0.3 |
| 7. Magnesium Bromide \[(MgB{{r}_{2}})\] | 0.076 | 0.2 |
| Total | 35,000 | 100.0 |
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