Elementary Household Chemistry: An Introductory Textbook for Students of Home EconomicsMacmillan, 1914 - 307 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 100.
Σελίδα 2
... experiment , and this record should always be in the fol- lowing order : FIG . 1.- burner . - Bunsen Ordi- nary form ... experiment always of itself conduces to more careful observation and reasoning . Experiment I. The Bunsen Burner ...
... experiment , and this record should always be in the fol- lowing order : FIG . 1.- burner . - Bunsen Ordi- nary form ... experiment always of itself conduces to more careful observation and reasoning . Experiment I. The Bunsen Burner ...
Σελίδα 3
... Experiment 2 . Materials : Magnesium ribbon in 1⁄2 - inch pieces . Platinum wire . Iron nail . Asbestos paper or light asbestos board , 2 inches inch , previously ignited to de- stroy organic matter . Paper in pieces 2 inches Xinch ...
... Experiment 2 . Materials : Magnesium ribbon in 1⁄2 - inch pieces . Platinum wire . Iron nail . Asbestos paper or light asbestos board , 2 inches inch , previously ignited to de- stroy organic matter . Paper in pieces 2 inches Xinch ...
Σελίδα 4
... Experiment 3. * Materials : An accumulator or any type of primary cell . A wire resistance . A mounted magnetic needle . Connect the two poles of a voltaic cell through a resistance . Bring a magnetic needle near the connecting wire ...
... Experiment 3. * Materials : An accumulator or any type of primary cell . A wire resistance . A mounted magnetic needle . Connect the two poles of a voltaic cell through a resistance . Bring a magnetic needle near the connecting wire ...
Σελίδα 5
... experiment . Experiment 5 . Materials : Compressed yeast , cake . Solid commercial grape sugar ( " 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 ...
... experiment . Experiment 5 . Materials : Compressed yeast , cake . Solid commercial grape sugar ( " 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 ...
Σελίδα 6
... experiment . Experiment 7 . Materials : Milk . Fold a filter and fit it in a glass funnel . Pour milk upon the filter . Does it pass through the filter unchanged ? Add a few O FIG . 10. Folding a filter . First stage . FIG . II ...
... experiment . Experiment 7 . Materials : Milk . Fold a filter and fit it in a glass funnel . Pour milk upon the filter . Does it pass through the filter unchanged ? Add a few O FIG . 10. Folding a filter . First stage . FIG . II ...
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.