The Owens College Junior Course of Practical Chemistry |
From inside the book
Results 1-5 of 16
Page 13
... crucible lid , and fix this on a flat piece of cork , so that the lid may be floated on the water in the pneumatic trough , or other tray containing water . Light the phos- phorus , and quickly surround it with a bell - jar the tubulure ...
... crucible lid , and fix this on a flat piece of cork , so that the lid may be floated on the water in the pneumatic trough , or other tray containing water . Light the phos- phorus , and quickly surround it with a bell - jar the tubulure ...
Page 74
... crucible lid is held against the flame ; if a black stain be produced on it , the materials employed FIG . 16 . are not pure , and must be rejected . Having ascer tained that the Zn and H2SO4 are pure , add now by the funnel tube a few ...
... crucible lid is held against the flame ; if a black stain be produced on it , the materials employed FIG . 16 . are not pure , and must be rejected . Having ascer tained that the Zn and H2SO4 are pure , add now by the funnel tube a few ...
Page 100
... crucible covered with a watch - glass , the latter is etched owing to the disengagement of HF . Reactions of the Acids belonging to Group II . 98. Acids precipitated by BaCl , in neutral solutions . Phosphoric , Boric , Oxalic ...
... crucible covered with a watch - glass , the latter is etched owing to the disengagement of HF . Reactions of the Acids belonging to Group II . 98. Acids precipitated by BaCl , in neutral solutions . Phosphoric , Boric , Oxalic ...
Page 103
... crucible , or small leaden cup , along with strong H2SO4 , and covering the mouth with a waxed watch- glass , convex side downwards , on which a few scratches . have been made with a needle . The concave side of the watch - glass is ...
... crucible , or small leaden cup , along with strong H2SO4 , and covering the mouth with a waxed watch- glass , convex side downwards , on which a few scratches . have been made with a needle . The concave side of the watch - glass is ...
Page 125
... crucible lid . Addition of SnCl2 or of Na2SO ̧ destroys the colour . 3. A neutral solution of Fe , Cl , produces , when added to morphia ( either in the dry state or in solution ) , a deep blue colour . 4. HIC , when added either to ...
... crucible lid . Addition of SnCl2 or of Na2SO ̧ destroys the colour . 3. A neutral solution of Fe , Cl , produces , when added to morphia ( either in the dry state or in solution ) , a deep blue colour . 4. HIC , when added either to ...
Other editions - View all
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