Calendar: 1899-1900 Page 789

FACULTY OF SCIENCE CXXXVU Give the names and chemical formulae of the more im- portant mineral salts found in natural waters State to which salt the temporary hardness of water is due and give method by which this may be removed What products are formed when the following sub- stances are burned in oxygen and what is the action of water upon them sulphur-carbon-phosphorus-sodium-iron Describe method by which you would determine the following constituents in atmospheric air moisture-carbon dioxide-oxygen-nitrogen How is nitric acid prepared What is its action on copper-charcoal-tin-benzole What is the action of heat upon ammonium nitrate and potassium chlorate Describe the properties of the products formed in each case Cijemtetrtj Give the names and formulae and describe the pro- perties of the products resulting from the combustion of phosphorus sulphur carbon and sodium in oxygen What is the action of water upon these products How does the product from sodium differ from the others How is hydrochloric acid prepared for commerce Describe its chief properties What is its action with zinc δ silver ammonia ferric oxide and chromium trioxide Describe Victor Meyer's method for determining the molecular weight of volatile compound 01 gramme of compound gave by this method 48 of vapour at calculate the molecular weight of the substance 1000 0896 grammes Give the common methods for preparing marsh gas and defiant gas Describe their properties and reactions and explain the difference between saturated and an unsaturated hydrocarbon What is the composition of common ore of copper State how you would prepare copper from this ore and describe the differences existing between cuprous and cupric chloride