In electrolytic cell electricity carries________________?

Related Mcqs:

1. In electrolytic solution conductance of electricity is due to _____________________?

   A. free electrons
   B. ions
   C. metals
   D. electrodes

2. In an electrolytic cell current flows ?

   A. From cathode to anode in outer circuit
   B. From anode to cathode outside the cell
   C. From cathode to anode inside the cell
   D. both B & C

3. Electricity in voltaic cell is produced due to_________________?

   A. neutralization
   B. oxidation
   C. reduction
   D. both B & C

4. If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?

   A. H2 is deposited at cathode
   B. Colour of the solution becomes fade
   C. Cu is deposited at anode
   D. All are possible

5. Molten NaCl conducts electricity due to the presence of_______________?

   A. Free electrons
   B. Free molecules
   C. Free ions
   D. Atoms of Na and Cl

6. Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?

   A. ionic substances
   B. metallic substances
   C. molecular solids
   D. covalent network solids

   Submitted by: Mansoor Ul Haque

7. Which of the following elements conduct electricity and also melts below 100°C ?

   A. Aluminium
   B. Sodium
   C. Carbon
   D. Sulphur

8. Which one of the following substances conducts electricity by the movement of ions ?

   A. Graphite
   B. Copper
   C. Molten sodium chloride
   D. Mercury

9. Voltaic cell can be recharged by______________?

   A. by addition of fresh solution
   B. by replacing external circuit with external source of electricity
   C. by removal of solution
   D. by heating it

10. Capacity of one lead accumulator cell is___________________?

    A. 1.5 volts
    B. 2 volts
    C. 3 volts
    D. 1 volts