CONTENTS. 



PAGE 



Introduction 13 



CHAPTER I. 



Objects of chemistry — Affinity — Nature of combination 

 and decomposition — The elements — The air, its pro- 

 perties and composition — Oxygen and nitrogen — Com- 

 bustion, results of combustion — Carbonic acid gas — 

 Water, ice, and steam — Effects of frost — Latent heat 

 — Composition of water — Hydrogen ... 25 



CHAPTER II. 



Carbon, its different forms — Cohesion — Combustion and 

 decay — Carbonic acid gas, produced by respiration, 

 combustion, fermentation, &c. — Nature of acids and 

 salts — Carbonic oxide — Carburetted hydrogen, fire 

 damp, coal gas — Compounds all definite — Combining 

 weights — Nitrogen combined with hydrogen forms 

 ammonia — Carbonate, sulphate, muriate, and phosphate 

 of ammonia — Nitric acid — Nitrates — Sulphur, sulphu- 

 rous acid — Sulphuric acid, sulphates — Sulphuretted 

 hydrogen — Chlorine, muriatic acid — Iodine, bromine 

 — Phosphorus, phosphoric acid .... 58 



