7 
} 
ON TEACHING CHEMISTRY. 
289 
3. What is the evidence that the molecules of most of the elements consist 
of two atoms? Name the bodies whose molecules seem to consist of only one 
15.) 
atom. 
4, The following 
Total solids 
Nitrogen, as nitrates and nitrites 
Ammonia . a : 
Albuminoid ammonia 
Chlorine 
is an analysis of a sample of 
Temporary hardness 0:1. 
Total hardness 2:5. 
Describe how such determinations are made, and give your opinion and the 
reasons on which it is based as to the suitability of this water for drinking 
purposes. 
| 5. Phosphoryl chloride has been variously written 
Cl 
water :-— 
4-4 erains per gallon. 
002 : 
005 os 
“800 
-) ” 
Permanent hardness 2:4. 
16.) 
OCl 
O=P<€Cl and PCl 
Which is the more probable formula, and why ? 
Cl 
Cl 
(17.) 
6. Give some account of the modern views of nitrification, and describe the 
nature of the experiments on which they are sounded. 
17.) 
( 
7. What grounds had Mendelejeff for predicting the existence of the elements 
gallium, scandium, and germanium ? 
8. Describe the methods of determining by volumetric analysis the follow- 
ing substances:—Phosphoric acid, peroxide of hydrogen, 
(18.) 
1890, 
nitric acid, and sal- 
ammoniac. (16.) 
INTERMEDIATE EDUCATION BOARD FOR IRELAND. 
The following shall be the subjects of Examination, viz. :— 
Junior Grade. 
Boys. GIRLs. 
Marks Marks 
(1) The ancient language, lite- (1) The ancient language, lite- 
rature, and history of rature, and history of 
Greece. ; < . 1200 Greece . 3 , . 1200 
(2) The ancient language, lite- (2) The ancient language, lite- 
rature, and history of rature, and history of 
Rome. : : . 1200 Rome . : ; . 1200 
(3) The English language and (8) The English language and 
literature, and the history literature, and the history 
of Great Britain and Ire- of Great Britain and Ire- 
land , ; ‘ 1200 land : ; 1200 
(4) The French language . 700 | (4) The French language . 700 
(5) The German language. 700 | (5) The German language. 700 
(6) The Italian language . - 6500 | (6) The Italian language . . 500 
(7) The Celtic language and (7) The Celtic language and 
literature : ; . 600 literature. 600 
(8) Arithmetic . . 500 (8) Arithmetic . 500 
103 Bookkeeping - 200 | (9) Bookkeeping 200 
(10) Euclid : . 600 | (10) Euclid 500 
13 Algebra. ; . 500 | (11) Algebra. : 500 
(12) Natural Philosophy - 500 | (12) Natural Philosophy 500 
(13) Chemistry . : . 500 | (13) Chemistry . : 500 
(14) Drawing. - 600 | (14) Botany : . 800 
(15) Drawing. : - 600 
| (16) Theory of Musie . . 500 
(17) Domestic Economy - 3800 
U 
