Calendar: 1886-1887 Page 711

APPLIED SCIENCES 713 XL-JFHtneralogp FIRST YEAR Allude to amorphous forms Refer to the varieties of Quartz Describe Pyroxene and Amphibole Give particulars relative to the structure and weight of mineral bodies and mention examples Name the various parts which compose crystal and illustrate the answer by rough sketch Of what kind are reentering and salient angles Does their existence indicate any peculiarity of development What are bevelments truncations and replacements What are similar solid angles Mention three minerals the faces of which take the shape of triangles and add any facts with regard to these examples which are worthy of being stated Refer to plane of symmetry and indicate two minerals which have more than one plane of symmetry What are combination forms 10 Describe the oblique system XII -Cljemtetri FIRST YEAR What is an amalgam Name some useful amalgams Point out the chief properties in which tin differs from silver How is cast iron made from haematite Give method for purifying saltpetre containing common salt Write the chemical formulae of hydrochloric acid- hydrosulphuric acid-sulphuric acid-nitric acid-ammonia -potash How many litres of hydrogen are required to reduce to the metallic state 000 grammes of cupric oxide CuO Cu 63-5