What happens to the voltage if the salt bridge is suddenly removed from a working electrochemical cell?

Which colourless gas evolves,when $NH_4Cl$ reacts with zinc in a dry cell battery?

Depict the galvanic cell in which the reaction $Zn_{(s)} + 2Ag_{(aq)}^{+} \to Zn_{(aq)}^{2+} + 2Ag_{(s)}$ takes place. Further show:
$(i)$ Which electrode is negatively charged?
$(ii)$ The carriers of the current in the cell.
$(iii)$ Individual reaction at each electrode.

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

Which among the following equations represents the reduction taking place in a lead accumulator at the positive electrode,while it is being used as a source of electrical energy?

Give the cell reaction and symbolic representation of the galvanic cell obtained by $E^o_{Ni^{2+}|Ni} = -0.23 \ V$ and $E^o_{Ag^{+}|Ag} = 0.80 \ V$.