Elementary Household Chemistry: An Introductory Textbook for Students of Home EconomicsMacmillan, 1914 - 307 σελίδες |
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Σελίδα 9
... given volume , " heaviness " ) , solubility in water or in other solvents , etc. In some instances it is difficult to decide whether a new substance has been formed or not . But in many others , as we have seen in the experiments , the ...
... given volume , " heaviness " ) , solubility in water or in other solvents , etc. In some instances it is difficult to decide whether a new substance has been formed or not . But in many others , as we have seen in the experiments , the ...
Σελίδα 19
... while the other , bromine , is a disagreeable - smelling , red , fuming substance . Of the seventy solid elements several examples are given in the preceding para- graph . Gas , liquid , and solid are the three physical ELEMENTS 19.
... while the other , bromine , is a disagreeable - smelling , red , fuming substance . Of the seventy solid elements several examples are given in the preceding para- graph . Gas , liquid , and solid are the three physical ELEMENTS 19.
Σελίδα 23
... given by the iron itself ? If the differences between the mixture of iron and sulphur and the compound prepared in this ex- periment are not sufficiently marked ( as may happen if some of the iron and sulphur have not reacted together ) ...
... given by the iron itself ? If the differences between the mixture of iron and sulphur and the compound prepared in this ex- periment are not sufficiently marked ( as may happen if some of the iron and sulphur have not reacted together ) ...
Σελίδα 24
... given body , but also under what conditions these substances are transformed into other substances by rearrangement of the elements . Nomenclature of Compounds The number of chemical compounds of the eighty - odd elements is enormous ...
... given body , but also under what conditions these substances are transformed into other substances by rearrangement of the elements . Nomenclature of Compounds The number of chemical compounds of the eighty - odd elements is enormous ...
Σελίδα 25
... given also in the table on inside of back cover . EXERCISE Referring to the table at the end of Chapter VI for the interpretation of the symbols , write names for the compounds represented by the following formulas : ( 1 ) FeŞ , ( 2 ) ...
... given also in the table on inside of back cover . EXERCISE Referring to the table at the end of Chapter VI for the interpretation of the symbols , write names for the compounds represented by the following formulas : ( 1 ) FeŞ , ( 2 ) ...
Άλλες εκδόσεις - Προβολή όλων
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.