Elementary Household Chemistry: An Introductory Textbook for Students of Home EconomicsMacmillan, 1914 - 307 σελίδες |
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Σελίδα 5
... glucose or 2.5 grams . " " FIG . 6. Glass tube closed at one end . The " dextrose " ) , Rub Dissolve 2.5 grams glucose in 20 cc . water . FIG . 9.1 Glass loop 4 for limewater films . This can be made from a piece of small ( 2 to ...
... glucose or 2.5 grams . " " FIG . 6. Glass tube closed at one end . The " dextrose " ) , Rub Dissolve 2.5 grams glucose in 20 cc . water . FIG . 9.1 Glass loop 4 for limewater films . This can be made from a piece of small ( 2 to ...
Σελίδα 166
... glucose , C6H12O6 ; cane sugar , C12H22O11 ; starch , ( C6H10O5 ) n . But the name does not adequately describe the class ; for , on the one hand , many compounds which are not carbohydrates ( e.g. form- aldehyde , CH2O ; acetic acid ...
... glucose , C6H12O6 ; cane sugar , C12H22O11 ; starch , ( C6H10O5 ) n . But the name does not adequately describe the class ; for , on the one hand , many compounds which are not carbohydrates ( e.g. form- aldehyde , CH2O ; acetic acid ...
Σελίδα 167
... Glucose and fructose are both hexoses , having the molecular formula , C6H12O6 . Structurally , glucose is an aldose , fructose a ketose . Aldoses contain the radicle or group " of atoms : 66 H which is common to a class of compounds ...
... Glucose and fructose are both hexoses , having the molecular formula , C6H12O6 . Structurally , glucose is an aldose , fructose a ketose . Aldoses contain the radicle or group " of atoms : 66 H which is common to a class of compounds ...
Σελίδα 168
... glucose , fructose and galac- tose . ( 2 ) The disaccharides maltose , lactose , and sucrose . II . Polysaccharides . This class includes dextrin and some other gums , pectin , starch , glycogen , and cellulose . Dex- trin , pectin ...
... glucose , fructose and galac- tose . ( 2 ) The disaccharides maltose , lactose , and sucrose . II . Polysaccharides . This class includes dextrin and some other gums , pectin , starch , glycogen , and cellulose . Dex- trin , pectin ...
Σελίδα 171
... several monosaccharide molecules . The relations of the more familiar higher carbohydrates to the monosaccharides are as follows : 1. Disaccharides : Sucrose Water = Glucose Fructose Lactose Maltose THE CARBOHYDRATES 171.
... several monosaccharide molecules . The relations of the more familiar higher carbohydrates to the monosaccharides are as follows : 1. Disaccharides : Sucrose Water = Glucose Fructose Lactose Maltose THE CARBOHYDRATES 171.
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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.