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  Item Reference: KCLCAL-1863-1864-537

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APPLIED SCIENCES 537 IV -CljrauiStrp Enumerate the metals of the alkalies and of the alkaline earths By what characters are these groups distinguished from each other and from the other metals Describe the preparation of pearlash and of the bicarbonate of potash What are their leading chemical characters How is'the percentage of alkali in commercial sample most easily determined What are the principal ores of tin Sketch the process of tin smelting How are its oxides and sulphides obtained Give some account of their chemical properties If solution contain mixture of sulphate of magnesia and chloride of potassium how would you ascertain the presence of each acid and base and determine the proportion present What are the impurities most likely to occur in commercial nitric acid How do you obtain pure nitric acid Describe the preparation of the soluble salts of baryta from its sulphate -Cijtmiatrp Illustrate the term 'chemical equivalent by examples from the compounds of chlorine iodine potassium and sodium Explain by symbols and give the relative proportions of the substances used and products obtained when 58Ā£ parts of sea-salt are completely decomposed by sulphuric acid and describe the products Explain how Leyden jar retains its charge after the removal of its metallic coatings Illustrate what is meant by the electro-motive force and the resistance of voltaic circuit What practical difference is there between simple and compound circuit Apply Ohm's formula-- with the necessary modification in the -f two cases Describe the Astatic galvanometer
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