298 REPORT—1890. 
6. How does the ordinary yellow phosphorus differ from amorphous phosphorus ? 
How may they be conv erted, the one into the other ? 
7, From what source is iodine generally obtained? Describe its preparation. 
How would you distinguish between a piece of iodine and a piece of graphite ? 
8. How much ‘ pyrolusite ’ (manganese dioxide) must be decomposed by heat 
to yield sufficient oxygen to convert 160 grams of sulphur into sulphur dioxide ? 
[Manganese =55, Sulphur = 382.] 
9. What is the action of zinc and hydrochloric acid on an aqueous solution of 
sulphur dioxide ? 
10. Explain the phenomenon known as the ‘spheroidal state of water.’ How 
is the boiling-point of a liquid attected by variations in the atmospheric pressure ? 
PRACTICAL CHEMISTRY. 
[N.B.—In writing out the results you obtain you are expected to state every 
experiment in the order in which tt was performed, and to underline the results 
which you rely upon to prove the conclusions you arrive at. 
*,” If you use symbols in writing out your results, marks will be deducted for 
any errors which occur in them. ] 
1, Find the two metals present in the alloy A.! 
2, Analyse the simple salts B! and C.! 
3, Find the acid which is in combination with sodium in the compound D.! 
OPEN COMPETITION OF CANDIDATES FOR ENTRY AS ENGINEER 
STUDENTS IN HER MAJESTY’S DOCKYARDS. 
The following will be the subjects of the Competitive Examination, and the 
maximum number of marks for each subject :— 
Arithmetic . : 4 : 0 : . 5 . . . 800 
English— 
Handwriting . . 40 
Accuracy and Intelligence i in W riting from Dictation yell 
Composition . : : C 5 ¢ . : - 100 
Grammar . , : . - : : é . 150 
350 
French or German or Italian— 
Translation into English . : C . 5 : ° . 150 
Latin— 
Translation into English 0 . 150 
*Very elementary Physics and Chemistry : : : pe AOD) 
Geography (including Physical Geography) . 0 j 4 . 200 
Algebra (up to and including quadratic equations) 300 
Euclid’s Elements (Books I. to LV. and Book VI. . and the definitions 
of Book V.) 4 300 
Freehand Drawing - , : ; ; 5 ; : 5 we Allo) 
Total.ii lo lactintoteht pecans 
1 These substances were as follows :—A, alloy of zinc and tin; B, lead nitrate; 
C, strontium carbonate ; D, sodic hyposulphite. 
? The Examination in Physics and Chemistry will be easy questions in— 
Chemistry—Oxygen, hydrogen, nitrogen, carbon, the nature of combustion, 
Physics—Mechanics, hydrostatics, pneumatics, electricity, and magnetism. 
ate Gt Locus 
