Exercises in Chemistry: Systematically Arranged to Accompany the Second Revised Edition of "An Elementary Study of Chemistry"Ginn, 1919 - 147 σελίδες |
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Σελίδα v
... Oxygen from ( a ) Mercuric Oxide , ( b ) Sodium Peroxide 8. The Preparation and Properties of Hydrogen . PAGE 1 2 6 6 9 11 12 7. Usual Laboratory Preparation of Oxygen ; Properties of Oxygen 14 17 9. The Combustion of Hydrogen ; the ...
... Oxygen from ( a ) Mercuric Oxide , ( b ) Sodium Peroxide 8. The Preparation and Properties of Hydrogen . PAGE 1 2 6 6 9 11 12 7. Usual Laboratory Preparation of Oxygen ; Properties of Oxygen 14 17 9. The Combustion of Hydrogen ; the ...
Σελίδα 5
... oxygen ( Exercise 7 ) . c . To make glass stirring - rods . Make two of them , one about 10 cm . FIG . 7 B and one about 15 cm . in length . Cut the rods to the proper length and round the ends by heating in the Bunsen flame . Place the ...
... oxygen ( Exercise 7 ) . c . To make glass stirring - rods . Make two of them , one about 10 cm . FIG . 7 B and one about 15 cm . in length . Cut the rods to the proper length and round the ends by heating in the Bunsen flame . Place the ...
Σελίδα 6
... taken not to point the tube toward anyone . b . Pouring liquids from one vessel to another . 6 Collection of Gases; Preparation of Oxygen from Mercuric Oxide, (b) Sodium Peroxide The Preparation and Properties of Hydrogen PAGE 2.
... taken not to point the tube toward anyone . b . Pouring liquids from one vessel to another . 6 Collection of Gases; Preparation of Oxygen from Mercuric Oxide, (b) Sodium Peroxide The Preparation and Properties of Hydrogen PAGE 2.
Σελίδα 12
... OXYGEN FROM ( 4 ) MERCURIC OXIDE , ( B ) SODIUM PEROXIDE Apparatus . 250 - cc . wide - mouthed bottles ; glass plate ; pneumatic trough or granite - ware pan ; hard - glass test tube ; * apparatus Fig . 19 . Materials . 0.5 g . mercuric ...
... OXYGEN FROM ( 4 ) MERCURIC OXIDE , ( B ) SODIUM PEROXIDE Apparatus . 250 - cc . wide - mouthed bottles ; glass plate ; pneumatic trough or granite - ware pan ; hard - glass test tube ; * apparatus Fig . 19 . Materials . 0.5 g . mercuric ...
Σελίδα 13
... oxygen from mercuric oxide . In the bottom of place about g . of mercuric oxide . ing the oxide near the end of a ... oxygen from sodium peroxide . Sodium peroxide is a white solid containing 41 per cent of oxygen , and when treated with ...
... oxygen from mercuric oxide . In the bottom of place about g . of mercuric oxide . ing the oxide near the end of a ... oxygen from sodium peroxide . Sodium peroxide is a white solid containing 41 per cent of oxygen , and when treated with ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acetate alcohol ammonium hydroxide apparatus shown barium chloride beaker boiling bromide Bunsen flame calcium chloride carbon dioxide charcoal common salt compounds cool copper oxide copper sulfate cork crystals dish dissolved distilled water evaporate evaporating-dish EXERCISE experiment filter paper filtrate flask formed funnel tube glass plate glass rod glass tube hard-glass test tube hydrochloric acid insert iron laboratory limewater liquid litmus paper manganese dioxide Materials mixture mouth nitric acid Note the color Note the results odor phosphorus Place porcelain crucible potassium chlorate powdered precipitate PREPARATION AND PROPERTIES preparation of oxygen reaction red litmus paper remove residue ring stand rubber tubing screw clamp shake shown in Fig silver nitrate small beaker sodium carbonate sodium hydroxide sodium hydroxide solution solid soluble solution R. S. stand and burner starch stirring-rod stopper strips sulfuric acid temperature test tube volume watch glass weight wide-mouthed bottle wire wooden splint zinc
Δημοφιλή αποσπάσματα
Σελίδα 136 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg 10 dekagrams =1 hektogram Hg 10 hektograms =1 kilogram Kg...
Σελίδα 33 - Put one fourth of a test tube full of bone black into a small flask and pour over it about 50 cc. of water, to which has been added a few drops of a solution of litmus or of indigo.
Σελίδα 135 - Measures of Length 10 millimeters (mm) =1 centimeter cm 10 centimeters =1 decimeter dm 10 decimeters =1 meter m 10 meters =1 dekameter Dm 10 dekameters =1 hektometer Hm 10 hektometers =1 kilometer Km...
Σελίδα 134 - Aluminium Antimony Arsenic Barium Bismuth Boron Bromine Cadmium Calcium Carbon Chlorine Chromium Cobalt Copper Fluorine Gold Hydrogen Iodine Iron Lead Lithium Magnesium Manganese Mercury Nickel Nitrogen Oxygen Phosphorus Platinum Potassium Silicon Silver Sodium Strontium Sulphur Tin Zinc Sym.
Σελίδα 83 - Phosphorous acid. Pour into a test tube about 0.5 cc. of phosphorus trichloride (hood) and add a little water, a drop at a time. What gas is evolved (R) ? Finally, add about 5 cc. of water, pour the liquid into an evaporatingdish, and evaporate to a sirupy mass. Dilute this with a little water, transfer the solution to a test tube, and add a few drops of a solution of silver nitrate. Boil the resulting mixture. A black precipitate forms. Explain.