Which is the main negative mineral ion in extracellular fluid?

QUESTION
Q173) Which is the main negative mineral ion in extracellular fluid? [ Guj CET 2006 ])

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Correct

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Main anions:
Chloride (Cl^-) Bicarbonate (HCO₃^-) Phosphate (HPO₄^2-)
Main cations:
Sodium (Na⁺) Potassium (K⁺) Calcium (Ca²⁺)
Answer : (b)

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