The Pamphlet Collection of Sir Robert Stout: Volume 50
University of New Zealand — Matriculation Examination. — Chemistry
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University of New Zealand
Matriculation Examination.
Chemistry.
(Three hours allowed for this paper).
1. | Write down the names and formulae (symbols) of all the oxides of the following elements:—H, Cl, S, P, N, C, I. |
2. | How would you distinguish from each other the following gases:—Co2, N, Cl, O, So2? |
3. | Describe the process for manufacturing nitric acid, giving the the equations. |
4. | Describe, with equations, the process for the manufacture of bromine or of iodine. |
5. | Give equations for making chlorine, hydrogen, and sulphur dioxide. |
6. | State what you know of ozone—its composition; how it is made; its properties; the tests for it. |
7. | How does sulphur behave when heated gradually in a nearly closed glass retort? |
8. | Describe fully, with equations, the manufacture of sulphuric acid; or, of ammonia from gas liquor. |
9. | How many grammes of hydrogen are got from water by the action of 100 grammes of metallic sodium (Na=23)? |
10. | Arrange the non-metallic elements under the headings—monads, dyads, triads, tetrads, pentads, hexads. |
11. | What is the composition of the atmospheric air? How is it affected by living animals and plants? |