Calendar: 1887-1888 Page 692

696 APPLIED SCIENCES IHtncralogn fi ו t19 fry FIRST YEAR Give the usual definition of mineral Is the theoretical idea in agreement with experience Explain the terms faces edges solid angles bevel- ments and macles as applied to crystals Describe four forms which may exist if the axes are equal and perpendicular to ea other What are combination forms Will the same method of taking the specific gravity avail in the cases of pumice stone galena and sand State the range of Moh's scale of hardness Allude to the minerals of which it consists and mention their proposed substitutes What is streak plate Refer to its use and describe some of the effects exhibited by it mass of chalk containing marcasite weighs 1020 grains and has specific gravity of 35 If the specific gravity of tlie chalk be 24 and that of the marcasite be 46 how much marcasite is present Refer to few minerals which are soluble in water 10 What remarks may be made in reference to mispickel elaterite and serpentine Cfjemfetnn FIRST YEAR Point out the difference between metals in respect of their action upon water and give examples The chemical elements are classed as monad-diad- triad-tetrad-etc What is the reason for this Name one or more of each class Give description of the process for converting glycerin into dynamite