Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
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Pagina 16
... color the mercuric and the mercurous iodide are somewhat variable , and they are sensitive to light . The former sometimes responds well to the tests even if the color is dull - red , and the odor of the iodine gives a good indication ...
... color the mercuric and the mercurous iodide are somewhat variable , and they are sensitive to light . The former sometimes responds well to the tests even if the color is dull - red , and the odor of the iodine gives a good indication ...
Pagina 32
... color in the Bunsen flame be shown from the lecture table . Number 2282. - Manganese in the oxidizing flame is vio- let or amethyst , in the reducing flame it is colorless , but persistent heating is necessary to remove the color ...
... color in the Bunsen flame be shown from the lecture table . Number 2282. - Manganese in the oxidizing flame is vio- let or amethyst , in the reducing flame it is colorless , but persistent heating is necessary to remove the color ...
Pagina 34
... color . The ozone formed by the oxidation of the moist phosphorus liberates iodine , which gives the blue color with the starch . Number 366. - A solution of hydrogen dioxide can be obtained of the chemical dealers and usually of the ...
... color . The ozone formed by the oxidation of the moist phosphorus liberates iodine , which gives the blue color with the starch . Number 366. - A solution of hydrogen dioxide can be obtained of the chemical dealers and usually of the ...
Pagina 35
... color which is due to reaction between the dioxide and chromic acid . Numbers 371-377 / 5. - It is recommended that some of the simple tests for impurities in water be exhibited on the lecture table . For hardness , add soap dissolved ...
... color which is due to reaction between the dioxide and chromic acid . Numbers 371-377 / 5. - It is recommended that some of the simple tests for impurities in water be exhibited on the lecture table . For hardness , add soap dissolved ...
Pagina 39
... colors . Into one jar , lower the lighted taper ; into another , drop a piece of filter paper which has been dipped in turpentine ; the latter should be heated nearly to boiling immediately before the paper is immersed in it , in order ...
... colors . Into one jar , lower the lighted taper ; into another , drop a piece of filter paper which has been dipped in turpentine ; the latter should be heated nearly to boiling immediately before the paper is immersed in it , in order ...
Alte ediții - Afișează-le pe toate
Suggestions to Teachers: Designed to Accompany the Elementary Principles of ... A. V. E. Young Nu există previzualizare disponibilă - 2015 |
Suggestions to Teachers: Designed to Accompany the Elementary Principles of ... Abram Eps Van Young Nu există previzualizare disponibilă - 2016 |
Suggestions to Teachers: Designed to Accompany the Elementary Principles of ... A. V. E. Young Nu există previzualizare disponibilă - 2018 |
Termeni și expresii frecvente
2H₂O 2HCl 2NaOH acetylene alcohol Ammonium chloride apparatus APPLETON AND COMPANY barium chloride Botany bottle Boyle's Law CaCl2 calcium carbide carbonate catalogues cents Charles's Law chemical chlorate class results class room Clodd Cloth CO₂ College color combining weight Combustion commercial cork crys dealers diameter dilute dioxide dust Evaporating dish experiment flame give glass grams Green & Company H₂O heat hydrochloric acid hydrogen hydroxide ignite Illustrations inches instructor iodine laboratory lecture table liters magnesium matter mercury method MgSO4 naphthalene nitrate nitric acid Number oxide oxygen paper phosphorus Plant Relations potassium potassium chlorate powd powder preferable PRINCIPLES OF CHEMISTRY Professor pupil pure quantitative result quantity quizzing ratio reaction recommended rubber sample SHELDON AMOS side table sodium Sodium carbonate sodium oxide solution specific gravity stopper student sulphuric acid supplied temperature test-tubes tion topics tube TWENTIETH CENTURY TEXT-BOOKS University volume zinc