Chemistry and Physics: A Manual for Students and PractitionersLea, 1893 - 272 pages |
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Page 18
... Give another example of the distinction between physical and chemical change . This is afforded by mixing yellow sulphur and black iron - filings . As a result , a mixture of a greenish - yellow color is obtained . By examining this ...
... Give another example of the distinction between physical and chemical change . This is afforded by mixing yellow sulphur and black iron - filings . As a result , a mixture of a greenish - yellow color is obtained . By examining this ...
Page 31
... Give examples of formulæ . From these symbols we derive a system of structural or graphic for- mulæ , of which the following are good examples : - Hydrogen in free state Oxygen 66 66 66 · Nitrogen 66 66 66 Water Ammonia H2 O2 N. H2O 66 ...
... Give examples of formulæ . From these symbols we derive a system of structural or graphic for- mulæ , of which the following are good examples : - Hydrogen in free state Oxygen 66 66 66 · Nitrogen 66 66 66 Water Ammonia H2 O2 N. H2O 66 ...
Page 32
... Give examples showing their action . Chlorine , Cl - Cl ; cyanogen , CN - CN ; hydrochloric acid , H - Cl ; hydrocyanic acid , H - C = N ; sodium chloride , NaCl ; sodium cyanide , Na - CN , etc. H H Similarly : Ammonium , H H H N 32 ...
... Give examples showing their action . Chlorine , Cl - Cl ; cyanogen , CN - CN ; hydrochloric acid , H - Cl ; hydrocyanic acid , H - C = N ; sodium chloride , NaCl ; sodium cyanide , Na - CN , etc. H H Similarly : Ammonium , H H H N 32 ...
Page 41
... Give the formula for each . ( 1 ) 2H , O + 2Na = 2NaHO + H2 ; ( 2 ) 2H , O dissociated by electricity into 2H , + 01 ; ( 3 ) 3H2O + Fe , F , O , + 3H ,; - ( 4 ) Zn + H , SO = ZnSO + H . What are the physical properties of hydrogen ? In ...
... Give the formula for each . ( 1 ) 2H , O + 2Na = 2NaHO + H2 ; ( 2 ) 2H , O dissociated by electricity into 2H , + 01 ; ( 3 ) 3H2O + Fe , F , O , + 3H ,; - ( 4 ) Zn + H , SO = ZnSO + H . What are the physical properties of hydrogen ? In ...
Page 42
... Give the derivation of its name and its history . Atomic weight 35.5 . Chlorine was discovered by Scheele in 1774 , and named from chloros , green , on account of its color . How does it occur ? It is an abundant element , and is found ...
... Give the derivation of its name and its history . Atomic weight 35.5 . Chlorine was discovered by Scheele in 1774 , and named from chloros , green , on account of its color . How does it occur ? It is an abundant element , and is found ...
Other editions - View all
Chemistry and Physics. a Manual for Students and Practitioners Joseph Struthers No preview available - 2016 |
Chemistry and Physics: A Manual for Students and Practitioners Joseph Struthers No preview available - 2015 |
Chemistry and Physics a Manual for Students and Practitioners Joseph Struthers No preview available - 2012 |
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710 Sansom Street acetate action alcohol aldehyde alkalies aluminium ammonia ammonium aniline antimony arsenic Atomic weight benzene bismuth bodies boiling burning calcium called carbon caustic chemical Chemistry chloride Cloth cobalt color colorless combination compounds containing copper crystalline crystals decomposed derivatives dioxide Diseases dissolved distilling edition electricity elements esters ether ethyl forms salts formula fusible gases Give glass gold H₂O hydrate hydrocarbons hydrochloric acid hydrogen hydroxide insoluble iodide iodine iron LEA BROTHERS lead leather light liquid magnesium magnet manganese MANUAL matter Medical medicine melts mercury metallic mineral mixture molecules monoxide nitrate nitric acid nitrogen obtained occurs octavo octavo volume oxide oxygen phosphorus plate platinum potash potassium powder practitioner prepared produced properties quantity rays silicon silver sodium sodium carbonate solid soluble soluble in water solution specific gravity student substance sulphate sulphide sulphuric acid Surgery Surgical Symbol temperature text-book vapor white precipitate yellow yields zinc