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 vi
... Nitric Acid 34. The Properties of the Salts of Nitric Acid . 5588 50 52 54 55 35. The Preparation and Properties of Some of the Oxides of Nitrogen 56 36. Speed of Reactions ; Equilibrium ; Hydrolysis 37. The Properties of Sulfur . sulfuric ...
... Nitric Acid 34. The Properties of the Salts of Nitric Acid . 5588 50 52 54 55 35. The Preparation and Properties of Some of the Oxides of Nitrogen 56 36. Speed of Reactions ; Equilibrium ; Hydrolysis 37. The Properties of Sulfur . sulfuric ...
Σελίδα 46
... acid on litmus paper ( Exercise 26 ) . Mix 1 or 2 drops of the solution with ... nitric , acetic ( R. S. ) ; solutions of the following bases : sodium ... acid ( Exercise 26 ) . Prepare a dilute solution of each of the following acids by ...
... acid on litmus paper ( Exercise 26 ) . Mix 1 or 2 drops of the solution with ... nitric , acetic ( R. S. ) ; solutions of the following bases : sodium ... acid ( Exercise 26 ) . Prepare a dilute solution of each of the following acids by ...
Σελίδα 54
... acid , and gently heat ( hood ) . The white residue formed is composed mainly of tin and oxygen , the latter being supplied by the nitric acid . Pure nitric acid is colorless . How do you account 54 The Preparation and Properties of Nitric ...
... acid , and gently heat ( hood ) . The white residue formed is composed mainly of tin and oxygen , the latter being supplied by the nitric acid . Pure nitric acid is colorless . How do you account 54 The Preparation and Properties of Nitric ...
Σελίδα 55
... nitric acid is colorless . How do you account for the color of the acid which you have prepared ? c . Place a small strip of copper in an evaporating - dish ( hood ) and add some of the acid you have prepared , a few drops at a time ...
... nitric acid is colorless . How do you account for the color of the acid which you have prepared ? c . Place a small strip of copper in an evaporating - dish ( hood ) and add some of the acid you have prepared , a few drops at a time ...
Σελίδα 56
... nitrate in 2 or 3 cc . of water in a test tube , care- fully add ( recall experiment b , Exercise 8 ) an equal volume of sulfuric acid , mix , and cool to room temperature or below . The sulfuric acid acts on the nitrate , liberating nitric ...
... nitrate in 2 or 3 cc . of water in a test tube , care- fully add ( recall experiment b , Exercise 8 ) an equal volume of sulfuric acid , mix , and cool to room temperature or below . The sulfuric acid acts on the nitrate , liberating nitric ...
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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
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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.