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6. Describe the oxides and chlorides of silver. What is known of the formation of a photographic image when the sensitive salt is (1) silver chloride, (2) silver bromide ?
7. Give the formula of the principal oxychlorides of phosphorus, carbon, nitrogen, bismuth, and chromium. How may chromic oxychloride serve for the detection of chlorides in presence of bromides and iodides?
8. By what characters and tests may the following substances be identified :—calcium hypophosphite, phosphorus pentachloride, lead sulphate, citric acid ?
THURSDAY, JUNE 7, from 9.30 A.m. to 12.30.
SECTION VIII. Physical Science.
Chemistry. III. 1. What do you understand by the atomic weight of an element ? By what sets of experiments has it been determined that the atomic weight of potassium is 39.0 or 39.1 in relation to the atomic weight of oxygen taken as 16 ?
2. Explain the chemical changes which take place in working a single cell of Smee's battery, with especial reference to the development and distribution of the heat of chemical action.
3. What are the principal general facts of chemical combination explained by the atomic theory? Discuss whether or not they are explicable in some other way.
4. What are the principal points of resemblance and difference between corresponding compounds of calcium and magnesium, and between corresponding compounds of potassium and sodium respectively?
5. How would you determine the combining weight of an organic acid ? What are the distinctive properties of so-called mono-basic and di-basic organic acids ?
6. Discuss the proposition that equal volumes of different gases under the same conditions of pressure and temperature contain equal numbers of molecules.
THURSDAY, JUNE 7, from 2.30 to 5.30 P.M.
SECTION VIII. Physical Science.
1. Give a general account of the chemistry of glycolic acid and its principal compounds.
2. What are the chief points of resemblance and difference between corresponding mono-derivatives of the hydrocarbons ethane and benzene, or phenene ?
3. Give a description of the two classes of organic cyanides known as nitriles and carbamines respectively.
4. How would you establish the fact that a paraffin hydrocarbon, such as propane or butane, is constituted of three or four marsh-gas residues, each preserving its own individuality in the compound?
5. Why do you say that the isomerism manifested by the di-derivatives of ethane is referrible to the existence of different constituent groupings—while the isomerism manifested by the di-derivatives of benzene is dependent on a difference of arrangement of the same constituent groupings?
6. Give an account of the chemistry of alizarin and of its production artificially.
7. Give an account of the class or classes of bodies known as nitro-compounds, such as nitro-glycerine, nitro-phenol, etc.
8. Give an account of benzene-sulphuric acid, C.H. SO3, and point out its relationship to benzoic acid considered as a carboxyl compound.
EXAMINATION FOR WOMEN.
PAPERS OF THE EXAMINATIONS
HELD IN DECEMBER 1883, AND JUNE 1884,
WITH THE LIST OF EXAMINERS AND THE
REGULATIONS FOR THE YEAR 1884.
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