Home PYQs UPPSC UPPSC MCQs Prelims 2000 (GS Paper I)

Question

Which one of the following salts contributes maximum to the salinity of sea water?

  1. Calcium sulphate
  2. Magnesium chloride
  3. Magnesium sulphate
  4. Sodium chloride

Answer:

Option D: Sodium chloride

Detailed Solution:

The correct answer is “Sodium chloride”.

Sodium chloride, or common salt, is the most abundant salt in seawater, making up about 85% of the salt in the ocean.