কোন বিক্রিয়ায় H2O এসিড হিসাবে কাজ করে?

A HCl+H2O⇔H3O++Cl-

B NH4++H2O⇔H3O++NH3

C CO32-+H2O⇔HCO3-+OH-

D HNO3+H2O⇔H3O++NO3-

Solution

Correct Answer: Option C

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