Senior Examination Papers , 1893. 
373 
4. Give an account of the oxides of sulphur, and of those of iron ; their 
composition and chief properties. 
5. Explain the chemistry of the burning of lime. Give some account of 
the differences in chemical composition, and qualities, of lime from different 
kinds of limestone. 
6. Describe, and explain, the effects of exposure to weather on zinc, lead, 
limestone, iron pyrites, copper. 
7. State the composition of the different phosphates of lime. Calculate 
the number of pounds of sulphuric acid needed to convert one ton of bone 
earth into soluble superphosphate. (S : P : Ca = 32 : 31 : 40.) 
8. Explain the difference in constitution and properties between paraffin 
oils and fat oils. What are their actions with oxide of lead 1 
9. What are the conditions required for the fermentation of glucose, and 
what are the chemical changes thereby effected ? By what different methods 
may the fermentation be stopped 'l 
10. State the chemical elements of albumen. How could you prove the 
presence of nitrogen in it ? In what parts of plants and animals is albumen 
found ? How can you distinguish it from gelatine ? 
EXAMINATION IN CHEMISTRY. 
Part B. Agricultural Chemistry. 
Friday, May 12 th, from 10 a. in. till 1 pan. 
1. In what respects may Chemical Analysis fail to act as an index of the 
actual fertility of a soil ? 
2. Illustrate the differences which exist between soils of various kinds in 
the manner in which they are severally affected by drought. Explain to what 
these differences may be due. 
3. Explain — from a chemical point of view — the economy of feeding 
decorticated cotton cake to stock when out on grass. 
4. Why is the advice frequently given to farmers to purchase “ Pure Dis- 
solved Bones ” in preference to manures sold ^s “ Bone Manuies ” or “ Bone 
Compounds ” ? 
5. Which are the principal ferments _ that affect Milk, and how do they 
severally act ? 
6. From what countries are Bones moslly obtained ? What differences of 
composition may they show according to their origin ? In what sense may 
Bones be called a Landlord’s manure, and Nitrate of soda not ? 
EXAMINATION IN BOOK-KEEPING. 
Maximum Number of Marks, 200. Pass Number, 100, 
Thursday, May \\th,from 2 p.m. till 3 pm. 
To lessen the number of entries in the ledger, the single heading “ Lira 
Stock ” may comprise all the animals except horses ; single entries may also be 
•used for “ Kent, Rates \ Taxes, and Insurance," for “ Seeds, Manures, and Foods 
Purchased," for “ Tradesmen's Bills and Petty Cash," and for “ Corn, Hay, and 
Straw." 
Journalise the following transactions ; post them into- a ledger ; make out 
a Balance Sheet and a Profit and Loss Account. 
