The Junior Examination of November 1890, 857 
EXAMINATION IN AGRICULTURE. 
MAXIMUM Number of Marks, 400. Pass Number, 150. 
Tuesday, November 11, 1890. (Three hours allowed.) 
1. Describe the best and easiest way of " pickling " seed wheat, and explain 
why it is done. 
2. What operations are usually paid for by piecework in your neighbour- 
hood, and what are the prices ? 
3. In singling out yellow turnips, state how you would distinguish them in 
the young stage from wild mustard (Sinajris arvensis), and wild radish (Raj/han us 
raphaniitrum ). 
4. Describe the construction and action of a " capillary " refrigerator for 
milk. 
5. In lifting and storing roots, detail the differences practised in the case 
of mangels and turnips respectively, and explain why those differences exist. 
6. Compare the cost of harvesting with string-binders as against that with 
reapers in the ordinary way — giving items. 
7. Give the quantities of dung and artificials (if any) usually applied in 
your district to the following crops : — wheat, turnips, potatoes, oats, and beans. 
State the mode of application. 
8. What methods are usually adopted in practice of preventing or curing 
the attacks of the turnip flea-beetle, the warble-fly, the Hessian fly, and the 
bean aphis ? 
9. What descriptions of soils are most suitable for laying down to perma- 
nent pasture? State what would be your treatment for the first four years 
of a field so laid down. 
10. Give instances of good and bad rotations of crops, and explain why 
you consider them good and bad respectively. 
EXAMINATION IN ELEMENTARY CHEMISTRY. 
Maximum Number of Marks, 200. Pass Number, 75. 
Tuesday, November 11, 1890. (Three hours allowed.') 
1. What is the difference between a chemical compound and a mechanical 
mixture ? Give an experiment illustrative of the difference. 
2. Explain the following terms : — Atom, Element, Specific Gravity, Mole- 
cular Weight, Synthesis, Analysis. 
3. How may the composition of water be proved? Give the physical 
properties of water, and explain what is meant by latent heat. 
4. How is chlorine gas prepared 1 What are its properties ? 
5. Show by formula? and explain the reactions which take place when a 
current of carbonic acid is passed through lime water. 
6. Describe briefly the manufacture of " oil of vitriol." 
7. How is phosphorus prepared 1 What modifications of ordinary phos- 
phorus are there, how are they obtained, and what are their properties ? 
8. Give the formulae of the following substances : — nitrate of potash, 
sulphate of ammonia, salt, gypsum, caustic potash, quicklime, slaked lime, 
ferric chloride, permanganate of potash. 
9. Describe the principal tests for distinguishing between ferrous and ferric 
salts, 
