Page 169 - The Periodic Table Book
P. 169

Uses
                                          The piston then squeezes     Hot steel may have
                                          the mixture of  oxygen   impurities that are burned
                      This cylinder takes in                  away using pure oxygen.
                      oxygen along with the fuel.  and fuel.











                                                                 This piston
                                                                 is pushed
                                                                 down when the                   Steelmaking
                                                                 mixture explodes.
                                                                           The oxygen in this cylinder
                                                                            can last for up to 30 minutes.












                                                                                       Scuba diver
                                                                       Internal
                                                                                        This rocket carries liquid oxygen
                                                                     combustion engine
                                                                                      that mixes with the fuel to produce hot
                                                        The up-and-down motion          gases, which help the rocket lift off.
                                                        of  the pistons makes the
                                                        wheels of  a car spin.
             Antifreeze
                    This liquid     Oxygen is
                    contains
                    an oxygen    colourless
                    compound    as a gas, but looks
                    that prevents                                                                              Atlas V rocket
                    water from    pale blue
                    freezing in
                    an engine.      as a liquid.
             Mountaineers have to adjust                         The oxygen
                                                                 in this
              slowly to changing levels of                       cylinder
              oxygen as they climb higher.          Medical   oxygen cylinder  is given to
                                                                 patients in
                                                                 controlled
                                                                 amounts.

                                                                                                 This flammable
                                                                                                 gas-oxygen
                                                                                                 mixture burns
                                                                                                 hot enough to
                                                                                                 melt metal.
                                                                           Welding torch
              Mountaineer with oxygen supply



           reacts with a fuel and produces fire. Oxygen is     of petrol or other fuels. Oxygen is also useful
           also used up when it reacts with other elements     in the making of steel. Tanks of oxygen let
           to form compounds called oxides. However, it is     mountaineers breathe easily in environments
           replenished by plants through a process called      that have low levels of this gas. Rockets, such
           photosynthesis, which releases fresh oxygen.        as the Atlas V, carry liquid oxygen to burn fuel
           Car engines are powered by the combustion           in the absence of air in space.                       167





   166-167_Oxygen.indd   167                                                                                     12/12/16   5:40 pm
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