Calendar: 1881-1882 Page 339

340 evening classes Nomenclature -Acids Bases and Salts The preparation properties and natural occurrence of th following substances and their most characteristic compounds together with their application to the useful arts will 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 writh Hydrogen-Molecules and Atoms-Bleaching -Relative Chemical Activity of these Elements Fluorine -Glass Etching with Hydro-fluoric Acid diads Oxygen -The Atmosphere-Combustion-Allotropy- 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 Polysulphides-Sulphurous Acid-Manufacture of Sulphuric Acid-Sulphites and Sulphates SELENIUxM 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 Phos- phates