Page 33 - The Periodic Table Book

Uses REBREATHER

A rebreather is a machine used by expert divers
so they can stay underwater for long periods.
Soda water potassium chloride, 1. Exhaled air, containing Mouthpiece
Aphthitalite
This salt contains
5. The diver
breathes in
carbon dioxide, enters
which helps lower
the rebreather.
this oxygen.
blood pressure.
Potassium salt 2. Carbon dioxide 4. Oxygen Alkali Metals
flows into the flows out of
chamber and reacts the chamber.
with a compound
called potassium 3. Oxygen is
superoxide. produced in
the chamber.
Soda water
contains potassium Rebreather
compounds for
added flavour.
Potassium-rich fertilizer
is easily absorbed by the soil
Potassium and boosts plant growth.
solutions are used
to hydrate patients.

Banana

Potassium-
rich food
This cylinder contains
Saline drip a compound called
potassium superoxide. Liquid soap
This soap contains Fertilizer
Gunpowder
potassium hydroxide,
which is a cleaning agent.
Toughened
glass screen

This explosive mixture
Avocado contains powdered
potassium nitrate.
This strengthened glass sheet
Sweet potato contains potassium nitrate.

potassium-rich food, such as bananas, root important ingredient in saline drips for
vegetables, and avocados, which contain rehydrating patients who are seriously ill.
potassium chloride. In tiny amounts, this Potassium nitrate is a compound of
compound can enhance flavours, as it does potassium, oxygen, and nitrogen, and is
in soda water. It is also a healthy alternative found in gunpowder and toughened glass
to sodium chloride, or common salt, and an screens for mobile phones. 31

030-031_potassium.indd 31 02/12/16 9:59 pm