Calendar: 1848-1849 Page 264

2G2 APPLIED SCIENCES Apply the principles of electrical induction in explaining the phenomena of the charge and discharge of the Leyden jar What are the essential pans of simple voltaic circuit Explain the difference between simple and compound circuit Illustrate by the formula -rr the superior effect of compound circuit when compared with simple one in producing chemical decomposition Describe the astatic galvanometer and the principle on which it rests VI Ci rmtatr Explain what is meant by chemical equivalent and illus- trate by examples What is the origin of the expression atomic weight of body 10 What is the composition of water How is its analysis effected By what means is hydrogen procured Describe its properties 11 Describe the manufacture of oil of vitriol and explain the process employed 12 Mention the principal ores of lead describe the mode of smelting and the separation of the silver they contain 13 How are compounds of lead lime magnesia iron copper zinc and tin recognised 14 What are the most important ores of iron Describe the compounds this metal forms with oxygen and with sulphur 15 Describe the phenomena of the vinous fermentation Ex- plain the change produced in sugar of milk in contact with casein 10 What is the composition of acetic acid and how is it related to alcohol Explain its mode of manufacture