ON TEACHING CHEMISTRY. 297 
CADETSHIPS, ROYAL MILITARY COLLEGE, SANDILURST. 
Further Examination. 
The subjects of the Further Examination, and the maximum number of 
marks obtainable for each subject, are at present as follows, but it is understood 
that the marks assigned to the various subjects in this examination will shortly be 
modified, so as to raise the value of the subjects in Class II. 
Class I, Marks. 
(1) Mathematics—viz. algebra, up to and including the Binomial 
Theorem ; the theory and use of jogarithms; Euclid, Books 
TI. to LV. and VI.; plane trigonometry, up to and including 
solution of triangles, and mensuration . - : . 9,000 
(2) Latin . : : : : C : : ; : . 8,000 
(5) French (600 for colloquial) . : - : c c . 938,000 
(4) German (600 for colloquial) . - : : : “ . 38,000 
Class II. 
(1) Greek . : ; : - : : - : c . 2,000 
(2) Higher mathematics, including analytical geometry; conic 
sections; differential calculus; statics and dynamics . 2,000 
(8) English history :— 
One general paper. 
One paper limited to a fixed period of which notice 
will be given : : : : ‘ : : 
(4) Iixperimental sciences—viz. (a) the elements of inorganic 
chemistry ; (4) electricity, magnetism, heat, andlight . 2,000 
2,000 
(5) Physical geography and geology, chiefly economic - . 2,000 
Class III. 
(1) English composition, tested by the power of writing an essay 
or letter . . 2 : : “ cl : : . 600 
(2) Drawing, freehand Z ¢ : . : . . . 600 
(8) “ geometrical . : 5 c : ; : - 600 
Of these subjects candidates will not be allowed to take up more than four, exclu- 
sive of those in Class III., nor will they be allowed to take up more than one from 
Class II., but they may, in addition, take up all the subjects in Class III. There 
will be a practical examination in subjects 4 (a) and (6) and 5. 
Tyoreanic CHEMISTRY. 
1. Describe an experiment to show that sulphuretted hydrogen gas contains an 
amount of hydrogen which, if free, would have a volume equal to its own. 
Under what conditions will sulphur and hydrogen unite to form sulphuretted 
hydrogen ? 
2. Give a short description of the manufacture of sulphuric acid (oil of vitriol). 
What is the composition of the so-called ‘ chamber crystals’? 
8. 20 litres of air are led through baryta water and yield a precipitate of 0:5 
gram of baric carbonate. What is the percentage by volume of carbon dioxide 
present in the sample of air? 
[Barium =137. Carbon=12. 11:16 litres of hydrogen weigh 1 gram.] 
4. What is the effect of heat upon the following compounds respectively :— 
a. Mercuric nitrate; 6. Ammonic nitrate; ¢. Potassic nitrate ? 
Give equations for the decompositions which take place. 
5. Describe the preparation of silicon fluoride, and give an equation to explain 
the chemical change which occurs in your process. 
What action takes place when this gas comes in contact with water ? 
