Handbook of Chemistry, for School and Home UseWoolworth, Ainsworth, & Company, 1869 - 205 Seiten |
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Seite 15
... action of zinc on dilute sulphuric acid . The apparatus required is shown in Figure 7 . Fig . 7 . The reaction between the zinc and the sulphuric acid is shown in the following equation : H2SO1 + Zn = Zn SO1 + H2 . 4 The zinc changes ...
... action of zinc on dilute sulphuric acid . The apparatus required is shown in Figure 7 . Fig . 7 . The reaction between the zinc and the sulphuric acid is shown in the following equation : H2SO1 + Zn = Zn SO1 + H2 . 4 The zinc changes ...
Seite 18
... action on soap . Hard waters contain salts of calcium or magnesium , which cause the soap to curdle , that is , to become insoluble . Soft waters do not contain these salts , and dissolve the soap without difficulty . Many hard waters ...
... action on soap . Hard waters contain salts of calcium or magnesium , which cause the soap to curdle , that is , to become insoluble . Soft waters do not contain these salts , and dissolve the soap without difficulty . Many hard waters ...
Seite 21
... action of water and watery vapor upon the solar rays . " " ' * NITROGEN . 28. Preparation of Nitrogen . - Pure nitrogen may be readily prepared by passing a stream of chlorine gas through strong aqua ammonia . It is well to pass the ...
... action of water and watery vapor upon the solar rays . " " ' * NITROGEN . 28. Preparation of Nitrogen . - Pure nitrogen may be readily prepared by passing a stream of chlorine gas through strong aqua ammonia . It is well to pass the ...
Seite 23
... action by mere presence is called catalysis . It occurs in many other cases , but is very imperfectly understood . 32. Nascent State . - Nitrogen , as we have seen , is a very inert substance . Indeed , it can be made to com- bine ...
... action by mere presence is called catalysis . It occurs in many other cases , but is very imperfectly understood . 32. Nascent State . - Nitrogen , as we have seen , is a very inert substance . Indeed , it can be made to com- bine ...
Seite 24
... action upon them , however , is more energetic when it is somewhat dilute . The action of nitric acid upon the metals is owing to the readiness with which it parts with some of its oxy- gen . It first oxidizes them , and then acts upon ...
... action upon them , however , is more energetic when it is somewhat dilute . The action of nitric acid upon the metals is owing to the readiness with which it parts with some of its oxy- gen . It first oxidizes them , and then acts upon ...
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acetic acetic acid affinity alcohol alkali allotropic alloy aluminic ammonia anhydride animal antimony atmosphere atomic weight atoms of hydrogen becomes bismuth bivalent burning calcic calcium called candle carbonic acid charcoal chemical chloric acid chloride coal coal-gas color combination combustion compounds contains converted copper crystals cylinder decomposition diastase dissolves distillation earth elements exposed fermentation filled flame flask furnace gases H₂O heat hydrate hydric sulphide hydrogen insoluble iron lead light lime liquid magnesium manganese manufacture matter melted mercury metal mixed mixture molecules molecules of H2O muriatic acid nitrate nitric acid nitrogen obtained oxide oxygen passes phosphorus plant platinum plumbic potassic potassium prepared properties pure quantivalence reverberatory furnace salt silicates silver small quantity soda soda-ash sodic sodium solid soluble in water solution starch substances sugar sulphate sulphuric acid symbol takes fire trivalent univalent vapor vegetable volatile wood zinc