What is a Nickel-Cadmium cell? State its one merit and one demerit over lead storage cell. Write the over all reactions that occurs during discharging of this cell.

Write the IUPAC name of DDT. Write one merit and one demerit of its use.

What type of a battery is the lead storage battery? Write the anode and the cathode reactions and the overall reaction occurring in a lead storage battery.

What are the reactions occuring at the cathode and anode of a Leclanche cell?

State two advantages of H_2-O_2 fuel cell over ordinary cell.

In operation of a galvanic cell, at one of its electrodes oxidation takes place. What is the name of this electrode and what is its polarity?

You are given a potentiometer, a rheostat, one key, a driving cell for potentiometer, one galvanometer, two cells of unknown e.m.f., one two way key and some connecting wires. Using all those given drawa circuitdiagram for finding j the ratio ofthe e.m.fofthe two cells.

Why does transport of ions occur only in one direction in root endodermal cells?