The chemical reaction taking place at the anode of a cell is

Which metal oxide decomposes upon heating?

What is the function of a salt bridge?

In animals,nerve signals are generated due to the movement of which of the following?

Which of the following is $NOT$ true about a voltaic cell?

The standard free energy change $($ in $J)$ for the reaction $3 Fe^{2+}_{(aq)} + 2 Cr_{(s)} \rightleftharpoons 2 Cr^{3+}_{(aq)} + 3 Fe_{(s)}$ given $E_{Fe^{2+}/Fe}^{\circ} = -0.44 \, V$ and $E_{Cr^{3+}/Cr}^{\circ} = -0.74 \, V$ is $(F = 96500 \, C)$.