GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following elements appears in the smallest percentage in the oceans?
A
Hydrogen (H)
B
Oxygen (O)
C
Chlorine (Cl)
D
Sodium (Na)
Explanation: 

Detailed explanation-1: -The main two salts are sodium and chloride salts which make more than 85 % of salt composition. Na+ is found by 55.03% and Cl-salts by 30.59 %, Sulphate SO4 salts are 7.68% and Mg salts ar 3.68 % while Ca and K salts are 1.11 % and rest carbonates, bicarbonates etc, are in minor level.

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