MCQ
The conjugate base of $HCO_3^ - $ is
- A${H_2}C{O_3}$
- ✓$CO_3^{2 - }$
- C$C{O_2}$
- D${H_2}O$
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$\begin{array}{*{20}{c}}
{{{\left( {{C_2}{H_5}} \right)}_2}NC{H_2}CH \cdot COOH} \\
{\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,Cl}
\end{array}$
is :

The equivalent masses of $N_2H_4$ and $KIO_3$ respectively are