Calendar: 1859-1860 Page 461

462 APPLIED SCIENCES and piece of bladder is tied over hole in the top of the receiver the bladder is able to bear lbs on the square inch and the pressure of the atmosphere is 15 lbs on the square inch show that the bladder will break between the 4th and 5th strokes Given log 30103 log 21 1-3222193 VIII-CijemtSttji Define and illustrate the terms Acid Base and Salt State and exemplify the laws of Multiple and Equivalent Proportions What is the composition of water State how each of its ingredients may be obtained in separate form Mention the usual saline compounds which occur in spring and river water What kinds of water are most prone to act upon lead State the composition of the compound formed What salts best protect lead from the action of water Describe the preparation and properties of Chlorine in what form is it chiefly used as bleaching agent Describe the mode of preparing this substance What is the method of preparing oil of vitriol State its composition properties and some of its most important uses Give the tests by which the sulphates are recognized Describe the manufacture of Carbonate of Soda from Sea Salt Sketch the process of obtaining Pig-iron from Clay Iron- stone Give the tests for Lime Magnesia Alumina and Iron when in solution IX -CijcnusJtrg Explain the mode of graduating thermometer and state how its accuracy may be tested without comparison with any other instrument