Calendar: 1870-1871 Page 536

536 APPLIED BOIENCES What weight of chlorine could you "obtain from pound of common salt State the reactions and the quantity of each of the other products which would be obtained in the operation supposing it complete Describe the preparation of phosphorus distinguish between the vitreous and amorphous forms say how each may be ob- tained What is the difference between the yellow phosphate and pyrophosphate of silver Say how the sodium salts which correspond to each may be obtained What are the constituents of flint glass of crown glass and of hard German glass Give an outline of the chemical changes which occur in making flint glass State how silicic chloride may be obtained FIRST YEAR What is the method of graduating thermometer What degrees centigrade correspond to 16 and -j- 16 Describe the mode in which the dew point is obtained by Daniell's hygrometer What is meant by the terms boiling point evaporation temperature specific heat Give an outline of the mode in which the composition of water is determined synthetically What are the principal salts contained in sea-water What in common spring water Distinguish between hard and soft water and explain the action of sodic carbonate in softening certain waters How is nitric acid procured State the tests by which it is known and explain why mixture of nitric acid with hydro- chloric is often more energetic than nitric acid only How do you distinguish an iodide from chloride SECOND YEAR Descbibe the preparation of sodium with the chemical reactions Explain how sodium is used in tbe extraction of aluminum and magnesium stating the reactions briefly