Page 231 - ICSE Chemistry 8
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7. HYDROGEN






                                                   Hydrogen






                        Liberated by                                        Combines with




                                     Na/K/Ca with cold
                                                                                          Oxygen       H O
                                           water                                                        2



                                     Mg/Al/Zn/Fe with
                                                                                          Chlorine     HCL
                                           steam



                                     Mg/Al/Zn/Fe with
                                                                                          Nitrogen      NH
                                        dilute acids                                                      3




                                   Zn/Pb/Al with alkalis                                  Sulphur      H S
                                                                                                        2





                                   Water, on electrolysis                                 Metals      metals hydrides




                                                                                         Metal oxides      metals and
                                                                                                     water
























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