Elementary Household Chemistry: An Introductory Textbook for Students of Home EconomicsMacmillan, 1914 - 307 σελίδες |
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Σελίδα 6
... chloride is formed as a precipitate when salt ( sodium chloride ) and silver nitrate solutions are mixed . At the same time a substance , called sodium nitrate , is also pro- duced , but this substance being soluble in water , like the ...
... chloride is formed as a precipitate when salt ( sodium chloride ) and silver nitrate solutions are mixed . At the same time a substance , called sodium nitrate , is also pro- duced , but this substance being soluble in water , like the ...
Σελίδα 7
... chloride crystals CRED ( Poison ! ) . Apparatus : Mortar and pestle . FIG . 13 . A filter ready for use . Rub together in the mortar a crystal of potassium iodide with one of mercuric chloride . What evidence appears that a new ...
... chloride crystals CRED ( Poison ! ) . Apparatus : Mortar and pestle . FIG . 13 . A filter ready for use . Rub together in the mortar a crystal of potassium iodide with one of mercuric chloride . What evidence appears that a new ...
Σελίδα 14
... mercuric oxide ; and potassium chloride ( the white residue in Expt . 14 ) and oxygen are simpler substances than potassium chlorate . In many instances the decomposition products can be readily recombined 14 ELEMENTARY HOUSEHOLD CHEMISTRY.
... mercuric oxide ; and potassium chloride ( the white residue in Expt . 14 ) and oxygen are simpler substances than potassium chlorate . In many instances the decomposition products can be readily recombined 14 ELEMENTARY HOUSEHOLD CHEMISTRY.
Σελίδα 17
... chloride , a white solid . If this substance is highly heated , it melts , and if an electric current is passed through the molten mass , decomposition occurs , the products being a soft metal , called potassium , and a greenish yellow ...
... chloride , a white solid . If this substance is highly heated , it melts , and if an electric current is passed through the molten mass , decomposition occurs , the products being a soft metal , called potassium , and a greenish yellow ...
Σελίδα 25
... chloride , ( 4 ) Hydrogen sulphide , ( 5 ) Sodium sulphate , ( 6 ) Gold chloride , ( 7 ) Potassium iodide , ( 8 ) Magnesium iodate , ( 9 ) Sodium sulphite , ( 10 ) Calcium phosphate ? CHAPTER V CHEMICAL NOTATION CHEMISTS represent each ...
... chloride , ( 4 ) Hydrogen sulphide , ( 5 ) Sodium sulphate , ( 6 ) Gold chloride , ( 7 ) Potassium iodide , ( 8 ) Magnesium iodate , ( 9 ) Sodium sulphite , ( 10 ) Calcium phosphate ? CHAPTER V CHEMICAL NOTATION CHEMISTS represent each ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
100-Calorie portion acetic acid action alcohol alkali aluminium ammonia ammonium Apparatus atoms bases beaker bisulphite bleaching boiling burning calcium Calories carbohydrates carbon dioxide carbon monoxide cellulose cent per cent CHAPTER chemical change chemistry coal color combustion compounds constituents contain copper cotton crystals dilute dish dissolved dyes elements esters ethyl Experiment Expt ferric fibers filter flame formula fuel value gases glass glucose glycerol grams H₂O hydrochloric acid hydrogen hydrolysis inch insoluble iron limewater liquid liter litmus paper magnesium Materials metal mixture molecules nitrate nitrogen odor ounces oxide oxygen phosphorus piece potassium potassium hydroxide pound powder precipitate Protein Fat Carbo proteins radicle reaction reagent residue salts silk soap soda sodium bisulphite sodium carbonate sodium chloride sodium hydroxide solid soluble starch substances sugar sulphate sulphuric acid temperature test tube tion vegetable washing weight wood wool yield zinc
Δημοφιλή αποσπάσματα
Σελίδα 191 - In the dietary studies made in connection with the nutrition investigations of the Office of Experiment Stations of the United States Department of Agriculture...
Σελίδα 294 - 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 295 - 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 26 - Kelvin has shown that if a drop of water were magnified to the size of the earth the molecules of water would be of a size intermediate between that of a cricket ball and of a marble.