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
... Compounds , Mixtures . 6. Collection of Gases ; Preparation of 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 ...
... Compounds , Mixtures . 6. Collection of Gases ; Preparation of 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 ...
Σελίδα vi
... Compounds 49 31. The Determination of the Amount of Hydrogen displaced by a Definite Weight of Different Metals 32 ... Compounds 54. A Study of Starch 55. The Preparation and Properties of Common Alcohol 58. Arsenic and Some of its ...
... Compounds 49 31. The Determination of the Amount of Hydrogen displaced by a Definite Weight of Different Metals 32 ... Compounds 54. A Study of Starch 55. The Preparation and Properties of Common Alcohol 58. Arsenic and Some of its ...
Σελίδα vii
... Compounds of Boron 63. Colloids and Emulsions 64. General Methods for the Preparation of the Compounds of the Metals . • 65. The Compounds of Sodium 66. The Determination of the Weight of Common Salt ob- tained by adding Hydrochloric ...
... Compounds of Boron 63. Colloids and Emulsions 64. General Methods for the Preparation of the Compounds of the Metals . • 65. The Compounds of Sodium 66. The Determination of the Weight of Common Salt ob- tained by adding Hydrochloric ...
Σελίδα 5
... , to prevent the softened portion from sagging . Now quickly remove the tube from the flame , and , holding it in a vertical position , gently pull the ends apart until the bore 5 Chemical Action; Elements, Compounds, Mixtures.
... , to prevent the softened portion from sagging . Now quickly remove the tube from the flame , and , holding it in a vertical position , gently pull the ends apart until the bore 5 Chemical Action; Elements, Compounds, Mixtures.
Σελίδα 11
... COMPOUNDS , MIXTURES Apparatus . Burner ; evaporating dish ; ring stand ; magnet ; mag- nifying glass ; test tubes . Materials . Iron wire , 10 cm . in length ; wooden splint ; 2 or 3 g . of sugar ; 1g . common salt ; piece of ...
... COMPOUNDS , MIXTURES Apparatus . Burner ; evaporating dish ; ring stand ; magnet ; mag- nifying glass ; test tubes . Materials . Iron wire , 10 cm . in length ; wooden splint ; 2 or 3 g . of sugar ; 1g . common salt ; piece of ...
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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
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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.