Calendar: 1865-1866 Page 284

284 EVENING CLASSES Classification of the Compounds of Oxygen-Acids-Bases -Alkalies-Salts-Indifferent Oxides The Chemistry of Water-Its importance as Chemical Type-Its numerous combinations with other compounds- Its modifications from various natural sources Hydrogen -Its preparation from Water Doctrine of Equivalents Carbonic Acid -Its natural sources-Its applications in the preparation of Bread Soda-Water White Lead &c Carbonic Oxide -Its use in smelting Metallic Ores Carbon -Allotropy as exhibited by the varieties of Carbon -Uses in the purification of Air and Water in Sugar- refining &c Coal -Composition and special applications of its principal varieties Coal-Gas -Destructive Distillation exemplified in its pro- duction Explosions in Coal-mines Important families of Hydro-carbons-Classification in Homologous Series-Isome- rism and Polymerism Ammonia -Its importance as Chemical Type-Its con- version into Nitrous and Nitric Acids Nitric Acid -Artificial production of Saltpetre-Useful applications of Nitric Acid-Separation of Silver from Gold- Gunpowder and Gun-cotton Boron and Silicon-Useful applications of Boracic and Silicic Acids-Chemistry of the Glass and Earthenware Manu- factures Sulphur -Sulphurous and Sulphuric Acids their uses in the Arts-Bleaching of Straw Silk and Wool-Refining of Silver-Conversion of Starch into Dextrine and Sugar of Paper into Vegetable Parchment Phosphorus -Its extraction from bones and remarkable allotropic modifications-Manufacture of Lucifer Matches