Statement 1: Primary cell can be recharged by passing an electric current through them.
Statement 2: Secondary cells are those in which the energy produced from the combustion of fuels is directly converted into electrical energy.
Statement 1: Primary cell can be recharged by passing an electric current through them.
Statement 2: Secondary cells are those in which the energy produced from the combustion of fuels is directly converted into electrical energy.
The correct option is D Both the statements are false.
Various commercial cells may be classified mainly into the following three types: (a) primary cells, (b) secondary cells, and (c) fuel cells.
Primary cells are those in which the redox reaction occurs only once and the cell becomes dead after some time, and cannot be used again. Two common examples of this type are dry cell and mercury cell.
Secondary cells are those which can be recharged by passing an electric current through them and hence can be used over and again. Two well-known examples of this type are lead storage battery and nickel-cadmium storage cell.
Fuel cells are those in which the energy produced from the combustion of fuels such as H2,CO,CH4, etc., is directly converted into electrical energy. Such a conversion is possible because combustion reactions are also redox reactions.
Therefore, both the statements are false.
Both the statements are false.
Various commercial cells may be classified mainly into the following three types: (a) primary cells, (b) secondary cells, and (c) fuel cells.
Primary cells are those in which the redox reaction occurs only once and the cell becomes dead after some time, and cannot be used again. Two common examples of this type are dry cell and mercury cell.
Secondary cells are those which can be recharged by passing an electric current through them and hence can be used over and again. Two well-known examples of this type are lead storage battery and nickel-cadmium storage cell.
Fuel cells are those in which the energy produced from the combustion of fuels such as H2,CO,CH4, etc., is directly converted into electrical energy. Such a conversion is possible because combustion reactions are also redox reactions.
Therefore, both the statements are false.
