Which salt is obtained from the evaporation of sea water?
Sodium chloride
Magnesium chloride
Potassium chloride
Calcium chloride
A
Magnesium chloride
B
Potassium chloride
C
Sodium chloride
D
Calcium chloride
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Solution
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The concentration of salt in sea water is 35 parts per thousand i.e 3.5% of sea water's weight comes from dissolved salts.Thus, when the sea water evaporates, the salt that is left behind is sodium chloride.
Hence, the correct answer is option (A).
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