The formation oi' hydrochloric acid by the action of sulphuric 

 acid on common salt. 



The action of hydrochloric acid upon red-hot iron. 



The preparation of chlorine by the action of hydrochloric acid 

 upon manganese dioxide. 



Hydrogen burns in chlorine, and when it does so the yellow 

 colour disappears, 



The decomposition of hydrochloric acid solution by the electric 

 current. 



The preparation of ammonia 



The combination of ammonia and hydrochloric acid. 



The reduction of red-hot copper oxide by ammonia. 



The formation of nitrogen by the passing of air and ammonia 

 over red-hot copper. 



The formation of nitric peroxide by the passing of electric 

 sparks through air. 



The oxidising action of nitric acid upon tin. 



The deflagration of nitre and charcoal. 



The formation of oxygen by heating nitre, and the formation 

 of nitric oxide by treating the residue with dilute sulphuric 

 acid. 



The preparation of nitric oxide by the action of nitric acid 

 upon copper turnings. 



The preparation of nitrogen by heating a mixture of potassium 

 nitrite and ammonium chloride. 



Combustion in sulphur vapour of copper and distillation of 

 sulphur. 



The formation of hydrogen sulphide (sulphuretted hydrogen) 

 by the passing of hydrogen through sulphur vapour ; and its 

 action on lead acetate paper. 



Preparation of sulphuretted hydrogen by the action of dilute 

 sulphuric acid upon ferrous sulphide. 



Preparation of sulphur dioxide by heating copper with 

 sulphuric acid. 



Preparation of carbon dioxide by acting on marble with a 

 dilute acid. 



Preparation of carbon monoxide. 



128. Illustrations of the alternative syllabus for Stage 

 I. of Inorganic Chemistry. 



1888. 



Apparatus to show the disappearance (solution) of bodies, such 

 as salt and sugar, in water. 



Apparatus to show that there is no loss of weight on solution 

 of salt in water. 



Apparatus to show how to recover salt dissolved in water. 



Apparatus to show that nitre is more soluble in hot than in 

 cold water. 



C 2 



