The Owens College Junior Course of Practical Chemistry |
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Page 9
... zinc , magnesium , and iron , hydrogen gas is evolved , a salt of the metal with the particular acid employed , being formed at the same time , thus : Zinc and sulphuric acid yield hydrogen and zinc sulphate : Zn + H2SO , H2 + ZnSO4 = 2 ...
... zinc , magnesium , and iron , hydrogen gas is evolved , a salt of the metal with the particular acid employed , being formed at the same time , thus : Zinc and sulphuric acid yield hydrogen and zinc sulphate : Zn + H2SO , H2 + ZnSO4 = 2 ...
Page 10
... zinc . Fill four jars with water , and collect the gas ( which is given off without the aid of heat ) in the same way as in the case of oxygen ( Fig . 3 ) . Having placed the end of the conducting tube in FIG . 3 . the pneumatic trough ...
... zinc . Fill four jars with water , and collect the gas ( which is given off without the aid of heat ) in the same way as in the case of oxygen ( Fig . 3 ) . Having placed the end of the conducting tube in FIG . 3 . the pneumatic trough ...
Page 11
... zinc and sulphuric acid is zinc sulphate . Filter a portion of the contents of the flask used EXPERIMENTS WITH HYDROGEN . It.
... zinc and sulphuric acid is zinc sulphate . Filter a portion of the contents of the flask used EXPERIMENTS WITH HYDROGEN . It.
Page 12
... zinc , and evaporate the filtrate to a small bulk . On cooling , crystals of zinc sulphate will be formed , which are drained from the mother liquor , dried between filter paper , and kept in a corked tube or bottle for future ...
... zinc , and evaporate the filtrate to a small bulk . On cooling , crystals of zinc sulphate will be formed , which are drained from the mother liquor , dried between filter paper , and kept in a corked tube or bottle for future ...
Page 43
... Zinc . Oxide is white . * These reactions must be carried out in the order indicated if they are applied to the examination of an unknown compound , since a metallic salt which is reduced by NaHCO3 alone , is reduced a fortiori by a ...
... Zinc . Oxide is white . * These reactions must be carried out in the order indicated if they are applied to the examination of an unknown compound , since a metallic salt which is reduced by NaHCO3 alone , is reduced a fortiori by a ...
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Common terms and phrases
acetic acid acid solutions added AgNO3 produces alkaline ammonia ammonium antimony aqua regia arsenic BaCl BaCl2 barium beaker black precipitate blow-pipe blue coloration boiling borax bromides brown CaCl2 calcium chlorate cipitate cold colour compounds copper Crown 8vo crucible crystals decomposed dilute solutions dissolved drop evolved FeSO4 filter filtrate flask Fused glass gramme grams group reagents H₂O H₂S H₂SO hydrate hydrochloric acid hydrogen insoluble iodide iodine iron liquid litre manganese manganese dioxide mercury mixture moistened NaHO neutral solutions NH)HO NH4)2S produces NH4Cl nitric acid obtained oxalic acid oxide oxygen phosphorus platinum porcelain potassium potassium chlorate powder produces a precipitate produces a white reactions reducing flame residue salt separation silver chloride silver nitrate sodium sodium carbonate solu soluble soluble in excess soluble in HCl soluble in HNO3 strontium substance sulphate sulphide sulphuric acid Tartaric acid tion violet wash Weigh white precipitate yellow precipitate yields zinc