Elementary Household Chemistry: An Introductory Textbook for Students of Home EconomicsMacmillan, 1914 - 307 σελίδες |
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Σελίδα 69
... dyes ( see Chapter XLIII ) , etc .; and am- monia , which remains in the wash water ( see Chapter XXIII ) . The lime and iron oxide remove the sulphur compounds from the gas . The chief constituents of coal gas are free hydrogen and ...
... dyes ( see Chapter XLIII ) , etc .; and am- monia , which remains in the wash water ( see Chapter XXIII ) . The lime and iron oxide remove the sulphur compounds from the gas . The chief constituents of coal gas are free hydrogen and ...
Σελίδα 149
... dye Sudan III . Finely slice about 5 grams of the soap . Spread on a watch glass and dry in a water oven . Place half the dried residue in a test tube , cover with benzine , and shake for some time . Filter off the benzine through a dry ...
... dye Sudan III . Finely slice about 5 grams of the soap . Spread on a watch glass and dry in a water oven . Place half the dried residue in a test tube , cover with benzine , and shake for some time . Filter off the benzine through a dry ...
Σελίδα 225
... dye products . By successively treating silk with an iron salt and a tannin the weight of the 1 Dissolve 500 grams zinc chloride and 20 grams zinc oxide in 425 cc . water , warming till clear . The liquid becomes turbid on standing in ...
... dye products . By successively treating silk with an iron salt and a tannin the weight of the 1 Dissolve 500 grams zinc chloride and 20 grams zinc oxide in 425 cc . water , warming till clear . The liquid becomes turbid on standing in ...
Σελίδα 233
... dyes . The cotton is stretched on a frame and subjected to the action of a strong cold solution of sodium hydroxide ( about 30 per cent NaOH ) , after which it is washed with water . The effect of the strong solution of alkali on ...
... dyes . The cotton is stretched on a frame and subjected to the action of a strong cold solution of sodium hydroxide ( about 30 per cent NaOH ) , after which it is washed with water . The effect of the strong solution of alkali on ...
Σελίδα 243
... dye , what must be done is to convert the color - bearing com- pound or compounds into colorless products . The natural coloring matters of textile fibers , and practically all the dyes which are used upon textiles , are organic ...
... dye , what must be done is to convert the color - bearing com- pound or compounds into colorless products . The natural coloring matters of textile fibers , and practically all the dyes which are used upon textiles , are organic ...
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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.