Hints on the Teaching of Elementary Chemistry in Schools and Science ClassesLongmans, Green, 1896 - 76 páginas |
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Página 9
... sodium nitrate , magnesium and zinc sulphates , copper sulphate , chrome alum , potas- sium dichromate , & c . III . Precipitates to be distinguished by differ- ences of density or consistence . The following are white precipitates ...
... sodium nitrate , magnesium and zinc sulphates , copper sulphate , chrome alum , potas- sium dichromate , & c . III . Precipitates to be distinguished by differ- ences of density or consistence . The following are white precipitates ...
Página 10
... sodium sulphite , sodium formate , A few grams of the substance may be placed in a test - tube and strong sulphuric acid added in quantity sufficient to make a fluid paste . If heat is applied it will be well to caution young students ...
... sodium sulphite , sodium formate , A few grams of the substance may be placed in a test - tube and strong sulphuric acid added in quantity sufficient to make a fluid paste . If heat is applied it will be well to caution young students ...
Página 26
... sodium carbonate . The only special precaution to be taken in dealing with carbonates is that when litmus is used the liquid requires to be boiled in order to effect com- plete decomposition and expulsion of the carbonic acid . Details ...
... sodium carbonate . The only special precaution to be taken in dealing with carbonates is that when litmus is used the liquid requires to be boiled in order to effect com- plete decomposition and expulsion of the carbonic acid . Details ...
Página 27
... sodium carbonate . We can apply either of these facts to ascertain the neutralising power of other acids . Thus a c.c. of solution of potash will be found to neutralise m c.c. of hydrochloric acid n c.c. of nitric acid orp grams of ...
... sodium carbonate . We can apply either of these facts to ascertain the neutralising power of other acids . Thus a c.c. of solution of potash will be found to neutralise m c.c. of hydrochloric acid n c.c. of nitric acid orp grams of ...
Página 28
... sodium chloride , and this shows that it must contain chlorine by the name . The childish character of such an answer may be thought to be exceptional ; but though it is true that such a crude form of statement is not common , the fact ...
... sodium chloride , and this shows that it must contain chlorine by the name . The childish character of such an answer may be thought to be exceptional ; but though it is true that such a crude form of statement is not common , the fact ...
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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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