The buffer action of blood is due to the presence of
A. HCI and NaCl
B. Cl- and $$CO_3^{2 - }$$
C. Cl- and $$HCO_3^ - $$
D. $$HCO_3^ - $$ and H2CO3
Answer: Option D
This Question Belongs to Chemistry GK Chapter Wise >> Acid, Base And Salts
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