Elementary Household Chemistry: An Introductory Textbook for Students of Home EconomicsMacmillan, 1914 - 307 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 75.
Σελίδα 5
... hydroxide ) solution , and hold the film of liquid in the test tube above the glucose solution for about half a minute . Then look through the film towards the light . The test is obtained more promptly if the test tube has been loosely ...
... hydroxide ) solution , and hold the film of liquid in the test tube above the glucose solution for about half a minute . Then look through the film towards the light . The test is obtained more promptly if the test tube has been loosely ...
Σελίδα 16
... hydroxide in the first wash bottle , it is freed from any carbon dioxide it may contain . It then passes through the heated glass tube containing the charcoal , and finally through the second wash bottle , which contains limewater ...
... hydroxide in the first wash bottle , it is freed from any carbon dioxide it may contain . It then passes through the heated glass tube containing the charcoal , and finally through the second wash bottle , which contains limewater ...
Σελίδα 17
... hydroxide . Small combustion furnace ( with 4-10 burners ) . Hard - glass tubing . Glass and rubber tubing for connections . Place a few lumps of dried charcoal in a hard - glass tube in a small combustion furnace . Provide the tubes ...
... hydroxide . Small combustion furnace ( with 4-10 burners ) . Hard - glass tubing . Glass and rubber tubing for connections . Place a few lumps of dried charcoal in a hard - glass tube in a small combustion furnace . Provide the tubes ...
Σελίδα 36
... gradually pour the colored bitartrate solution ( still hot ) into it . What do you observe ? Hold a film of limewater ( calcium hydroxide ) in the escaping gas . What is this gas ? If the color of the 36 ELEMENTARY HOUSEHOLD CHEMISTRY.
... gradually pour the colored bitartrate solution ( still hot ) into it . What do you observe ? Hold a film of limewater ( calcium hydroxide ) in the escaping gas . What is this gas ? If the color of the 36 ELEMENTARY HOUSEHOLD CHEMISTRY.
Σελίδα 43
... are retained and weighed along with the diminished candle , there has been any loss of weight . The following experiment determines this point . Experiment 31. * Apparatus : Balance . Sodium hydroxide in COMBUSTION 45.
... are retained and weighed along with the diminished candle , there has been any loss of weight . The following experiment determines this point . Experiment 31. * Apparatus : Balance . Sodium hydroxide in COMBUSTION 45.
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.