How many coulombs are provided by a current of $0.010 \ mA$ in the calculator battery that can operate for $1000 \ hours$?

Which of the following elements is extracted industrially by the electrolysis of its aqueous solution?

Electricity required for liberating $710 \ g$ of $Cl_{2(g)}$ by electrolyzing a concentrated solution of $NaCl$ will be

Predict the products of electrolysis in each of the following:
$(i)$ An aqueous solution of $AgNO_3$ with silver electrodes.
$(ii)$ An aqueous solution of $AgNO_3$ with platinum electrodes.
$(iii)$ $A$ dilute solution of $H_2SO_4$ with platinum electrodes.
$(iv)$ An aqueous solution of $CuCl_2$ with platinum electrodes.

Which of the following substances conducts electricity?

During the electrolysis of higher concentration of $H_2SO_4$,the product obtained at anode is . . . . . . .