Calendar: 1850-1851 Page 324

320 APPLIED SCIENCES III -Cijemtetrp Enumerate the elementary bodies which occur as gases Give the chemical symbol and combining number of each on the Hydrogen scale State which of them have been liquefied and give the characteristic properties of each Mention the principal natural sources of Nitric Acid de scribe its preparation composition and properties Give the tests of its purity and the mode of recognising its pre- sence Describe the method of obtaining Nitre from artificial Nitre-beds How is Phosphorus obtained By what means is Phosphoric Acid manufactured describe its modifications and state how they may be distinguished one from the other What are the natural supplies of Iodine How is it prepared State its properties and describe its compounds with Oxygen and Hydrogen What are the general characters of the metals in what states do they usually occur Give examples in illustration To what classes of ores are processes of reduction applicable What is the object of roasting In what class of cases is it appli- cable State the general characters that distinguish the Alkalies from the Alkaline Earths and these latter from the earths proper Give the composition of the more important Metallic Acids Describe generally the process of Copper-smelting Mention the ores of this metal of most frequent occurrence What com- pounds does it form with Oxygen State the mode of their pre- paration and their most important uses Give the tests for Lime Magnesia Lead Mercury and Silver Describe the phenomena of the Vinous fermentation give in symbols the changes produced and mention the principal properties of Alcohol