Match the substances in Column A with their applications given in Column B.
Oxygen is compulsory for breathing and all living beings inhale it during the same.
Copper is a good conductor of electricity, so, used for making electric wires.
Crackers use large quantities of sulphur and paper.
Iron is used to make steel and steel is used for making railway lines.
Chlorine is one of the most commonly used disinfectants for water disinfection.
Chlorine can be applied for the deactivation of most microorganisms.