Elementary Household Chemistry: An Introductory Textbook for Students of Home EconomicsMacmillan, 1914 - 307 σελίδες |
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Σελίδα 7
... quantity of mer- curic chloride . Shaking and warming will hasten solution . Pour a little of the potassium iodide solution into a third test tube , and gradually add mercuric chloride solution to it . The red precipitate is the same ...
... quantity of mer- curic chloride . Shaking and warming will hasten solution . Pour a little of the potassium iodide solution into a third test tube , and gradually add mercuric chloride solution to it . The red precipitate is the same ...
Σελίδα 12
... quantity of gas has collected in each branch of the apparatus . Note that about twice as much gas collects in one branch of the apparatus as in the other . Invert a small test tube over one of the outlet tips , open the cock , and allow ...
... quantity of gas has collected in each branch of the apparatus . Note that about twice as much gas collects in one branch of the apparatus as in the other . Invert a small test tube over one of the outlet tips , open the cock , and allow ...
Σελίδα 13
... quantity of water is not visible , unless the current has been passed for some hours . But it has been found by accurate measure- ment that the water lost weighs exactly the same as the sum of the weights of the hydro- gen and oxygen ...
... quantity of water is not visible , unless the current has been passed for some hours . But it has been found by accurate measure- ment that the water lost weighs exactly the same as the sum of the weights of the hydro- gen and oxygen ...
Σελίδα 16
... quantities of heat belong to the class we are now considering , viz . combinations . ( See Expt . 19. ) — FIG . 19 ... quantity of unchanged sulphur left in the test tube , but this is readily distinguished from the new substance ...
... quantities of heat belong to the class we are now considering , viz . combinations . ( See Expt . 19. ) — FIG . 19 ... quantity of unchanged sulphur left in the test tube , but this is readily distinguished from the new substance ...
Σελίδα 17
... quantity of white or gray ash . Except for this ash , charcoal consists entirely of a substance called carbon . This substance , when raised to a sufficiently high temperature , combines with oxygen . What sub- stance is the product of ...
... quantity of white or gray ash . Except for this ash , charcoal consists entirely of a substance called carbon . This substance , when raised to a sufficiently high temperature , combines with oxygen . What sub- stance is the product of ...
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.