Elementary Household Chemistry: An Introductory Textbook for Students of Home EconomicsMacmillan, 1914 - 307 σελίδες |
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Σελίδα 25
... sulphate ( Epsom salt ) is composed of magnesium , sulphur , and oxygen . EXERCISE What elements do the following compounds contain : ( 1 ) Calcium oxide , ( 2 ) Magnesium nitrate , ( 3 ) Silver chloride , ( 4 ) Hydrogen sulphide , ( 5 ) ...
... sulphate ( Epsom salt ) is composed of magnesium , sulphur , and oxygen . EXERCISE What elements do the following compounds contain : ( 1 ) Calcium oxide , ( 2 ) Magnesium nitrate , ( 3 ) Silver chloride , ( 4 ) Hydrogen sulphide , ( 5 ) ...
Σελίδα 25
... for the compounds whose names follow : ( 1 ) Silver iodide , ( 2 ) Sodium nitrate , ( 3 ) Potassium iodate , ( 4 ) Magnesium nitride , ( 5 ) Calcium sulphate . CHAPTER VI THE ATOMIC THEORY OUR chemical formulas are an CHEMICAL NOTATION 27.
... for the compounds whose names follow : ( 1 ) Silver iodide , ( 2 ) Sodium nitrate , ( 3 ) Potassium iodate , ( 4 ) Magnesium nitride , ( 5 ) Calcium sulphate . CHAPTER VI THE ATOMIC THEORY OUR chemical formulas are an CHEMICAL NOTATION 27.
Σελίδα 39
... sulphate , FeSO4 ; Ferric sulphate , Fe2 ( SO4 ) 3 . Thus : Ferrous chloride has one atom of iron to every two atoms of chlorine , while ferric chloride has only one atom to every three ; sulphurous acid has one of sulphur to every ...
... sulphate , FeSO4 ; Ferric sulphate , Fe2 ( SO4 ) 3 . Thus : Ferrous chloride has one atom of iron to every two atoms of chlorine , while ferric chloride has only one atom to every three ; sulphurous acid has one of sulphur to every ...
Σελίδα 85
... sulphate , a compound of zinc with the sulphur and oxygen of the sulphuric acid ; and magnesium acetate a compound of magnesium with the carbon , oxygen , and three fourths of the hydrogen of acetic acid . This may perhaps be made ...
... sulphate , a compound of zinc with the sulphur and oxygen of the sulphuric acid ; and magnesium acetate a compound of magnesium with the carbon , oxygen , and three fourths of the hydrogen of acetic acid . This may perhaps be made ...
Σελίδα 87
... sulphate it has replaced the two atoms of the sulphuric acid molecule , H2SO4 ; in the phosphate three atoms of magnesium have replaced the six atoms of hydrogen in two molecules of phosphoric acid . The aluminium atom replaces three ...
... sulphate it has replaced the two atoms of the sulphuric acid molecule , H2SO4 ; in the phosphate three atoms of magnesium have replaced the six atoms of hydrogen in two molecules of phosphoric acid . The aluminium atom replaces three ...
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.