Process used to deposit one metal over another metal is called :
Electrolysis
Electroplating
Carbon plating
None by above
In an electrolytic cell current flows?
From cathode to anode in outer cirtcuit
From anode to cathode outside the cell
From cathode to anode inside th cell
Both B and C
The half - cell are interconnected through :
Wire
Salt bridge
Electric circuit
No connection exists
Voltaic cell can be recharged by :
Adding fresh solutions
Replacing external circuit with external source of electricity
Removal of solution
Heating it
In an electrolytic solution,conductance of electricity is due to :
Free electrons
Ions
Metals
Electrodes
Electrolytes convert electricity in :
Liquid state
Solid state
Gaseous state
Plasma state
Molten NaCl conducts electricity due to the presence of :
Free molecules
Free ions
Atoms of Na and Cl
Lead accumulaors are :
Secondary cell
Primary cell
Voltaic cell
Both a and c
Salt bridge transfers
Electrons
Anion
Current
Which of the following cell is not rechargeable?
Lead storage battery
Silver oxide cell
Fuel cell
Ni - Cd cell
