Types of battery

A battery is a device that can operate

• a) as electrical cell

• b) as voltaic cell

• c) both as voltaic and electric cell

• d) None of the above

The cathode in Ni-Cd battery is composed of

• a) Cd

• b) Ni

• c) paste of NiO(OH)

• d) paste of Cd(OH)2

When storage cell acts as voltaic cell, the cell is said to be

• a) charging

• b) neutral

• c) discharging

• d) None of the above

During discharging operation in a Pb-acid cell, the concentration of H2SO4

• a) decreases

• b) not affected

• c) increases

• d) H2SO4 is not used

During conductance, the chemical properties of the metallic conductor

• a) altered greatly

• b) not altered

• C) altered to some extent

• d) None of these

A cell whose reaction is reversible is called

• a) Fuel cell

• b) Primary cell

• C) Secondary cell

• d) All the above

An electrolytic cell is a device which converts

• a) Electrical energy to chemical energy

• b) chemical energy to Electrical energy

• c) chemical energy to mechanical energy

• d) mechanical energy to chemical energy

Leclanche cell is a

• Chemical cell

• Electro chemical cell

• Dry cell

• Storage battery