Calendar: 1853-1854 Page 345

APPLIED SCIENCES 341 III -CijcmtsJtni piece of glass weighs in air 400 grains in water 220 grains in dilute alcohol 240 grains required the specific gravity of the glass and of the alcohol Explain the action of common Pump What are the fixed points selected for graduating Ther- mometer What precautions are needed to ensure accuracy What is the advantage of using the 'acuum Pan in the refining of Sugar Explain the principle of its action Why in constructing the prime conductor of an Electrical Machine is hollow cylinder as effectual as solid one of similar dimensions Explain the action of the common Electrical Machine How is the Balance employed as measure of Electricity State the laws of Chemical Combination and illustrate them by examples What are the chief points of difference between Adhesion and Chemical Affinity IV -Cijcmts'tri Enumerate the non-metallic elements their equivalents symbols and the densities of such as are found in the gaseous state Specify the method of liquefying the gases and give any details you remember of such as have been liquefied State how Faraday succeeded in freezing several of them Describe the manufacture of Sulphuric Acid and explain the changes which accompany the process What is the chief source of the compounds of Ammonia Describe its preparation both in the gaseous state and in solution Mention its properties composition density and uses What is the method of obtaining Phosphorus Explain the chemical changes that occur