Calendar: 1880-1881 Page 335

EVENING CLASSES 335 Nomenclature -Acids Bases and Salts The preparation properties and natural occurrence of the following substances and their most characteristic compounds together with their application to the useful arts will be described monads Hydrogen -Manipulation with Gases-Gaseous Diffu- sion-Hydrogen in the Nascent state-Reducing Action Chlorine Bromine and Iodine Commonly called Halogens or Salt-producers-Liquefaction of Gases-Com- pounds with drogen-Molecules and Atoms-Bleaching -Relative Chemical Activity of these Elements Fluorine -Glass Etching with Hydro-fluoric Acid DlADS Oxygen -The Atmosphere-Combustion -Ailotropy- Ozone and Oxygen-Water in the solid liquid and gaseous states-Specific and Latent Heat-Natural Waters and their Impurities- Of Hydrates Hydrogen Peroxide Oxygen compounds of the Halogens-Oxides Sulphur -Octahedral Prismatic and Plastic varieties- Electro-positive and Electro-negative kinds-Sulphides and Pol sulphides-Sulphurous Acid-Manufacture of Sulphuric Acid-Sulphites and Sulphates Selenium Tellurium triads Nitrogen -Ammonia-Dissociation-Ammonium theory -The crystalline Ammoniates-The Chlorides and Iodides of Nitrogen-The Oxides of Nitrogen-The Nitrogen Acids -Nitrites and Nitrates Phosphorus Arsenic and Antimony -The Hydrides Chlorides Oxides and Sulphides The three Phosphoric Acids The effect of these elements on Alloys Ph08 phates