Hints on the Teaching of Elementary Chemistry in Schools and Science ClassesLongmans, Green, 1896 - 76 páginas |
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Página 9
... solutions of potas- sium nitrate and ammonium chloride in hot water , and pour into separate watch - glasses . On ... solution of alum mixed with ammonia gives a gelatinous precipitate ; calcium chloride with carbonate of ammonia a ...
... solutions of potas- sium nitrate and ammonium chloride in hot water , and pour into separate watch - glasses . On ... solution of alum mixed with ammonia gives a gelatinous precipitate ; calcium chloride with carbonate of ammonia a ...
Página 18
... solution is then diluted with water and excess of solu- tion of ammonia added , the precipitate filtered off , the filter drained , dried , and burnt to ashes in a counterpoised crucible . The filter ash may be neglected . By this ...
... solution is then diluted with water and excess of solu- tion of ammonia added , the precipitate filtered off , the filter drained , dried , and burnt to ashes in a counterpoised crucible . The filter ash may be neglected . By this ...
Página 19
... solution toward the end . The reddish precipitate of copper is allowed to settle , the blue solution containing zinc and copper sulphates poured off , and the precipitate brushed by means of a camel - hair brush into a counterpoised ...
... solution toward the end . The reddish precipitate of copper is allowed to settle , the blue solution containing zinc and copper sulphates poured off , and the precipitate brushed by means of a camel - hair brush into a counterpoised ...
Página 20
... solution of silver nitrate may be used . From results obtained in this way the Law of Reciprocal Proportions or Equivalents may be tested by the pupil for himself . He finds , for example , by successive experiments , and calcu- lating ...
... solution of silver nitrate may be used . From results obtained in this way the Law of Reciprocal Proportions or Equivalents may be tested by the pupil for himself . He finds , for example , by successive experiments , and calcu- lating ...
Página 26
... solution of sulphuric acid , a number of experi- ments may be quickly made on the neutralising power of various common alkaline solutions , such as solution of potash , soda , or ammonia , or of solid alkaline substances such as sodium ...
... solution of sulphuric acid , a number of experi- ments may be quickly made on the neutralising power of various common alkaline solutions , such as solution of potash , soda , or ammonia , or of solid alkaline substances such as sodium ...
Otras ediciones - Ver todas
Hints on the Teaching of Elementary Chemistry in Schools and Science Classes ... William A. Tilden Sin vista previa disponible - 2018 |
Hints on the Teaching of Elementary Chemistry in Schools and Science Classes William A. Tilden Sin vista previa disponible - 2007 |
Términos y frases comunes
ammonia analysis ANATOMY apparatus Art Department ASTRONOMY atomic weight B.Sc BOTANY BUILDING CONSTRUCTION carbon chemical College of Science Coloured composition compounds containing copper Crown 8vo crucible D.Sc Diagrams Edition ELECTRICITY ELEMENTARY elements Engineering equivalent Examination Papers Examples experiment experimental formulæ gases gram homologous series Hospital hydrochloric acid hydrogen chloride Illus INORGANIC Lecturer LL.D Lond London magnesium Manual Maps MECHANICS metals molecular weight molecule of hydrogen neutralise nitrate nitric nitric acid nitrogen observation oxide oxygen Pathology Ph.D PHYSICS PHYSIOLOGY potassium potassium chlorate PRACTICAL precipitate Price Professor of Chemistry properties proportions pupil quantity REESE LIBRARY Royal 8vo Royal College salt SCHÄFER Science and Art sodium solution specific heat stage STRENGTH OF MATERIALS Students substances sulphate sulphuric acid Surgeon Syllabus teacher tellurium temperature TEXT-BOOK THEORETICAL theory tions trations TREATISE tube UNIVERSITY OF CALIFORNIA vapour densities vols volume of hydrogen Whitworth Scholar WILLIAM Woodcuts zinc
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