nursing UP CNET BSc Nursing 2025 Mock Test Series General Science Chemistry Equilibrium

\(\rm HCO_3^-\)के लिए संयुग्म क्षारक है:

1
\(\rm CO_3^{2-}\)
2
\(\rm CO_3^-\)
3
\(\rm H_2CO_3\)
4
\(\rm H_2CO_3^-\)
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