Chemical Lecture Experiments: Non-metallic ElementsLongmans, Green, 1892 - 323 páginas |
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Página 7
... , one held mouth up and the other mouth down , may have their covers removed , and a lighted taper applied . In the first case the up - rushing hydrogen is rapidly all burnt , while in the second the combustion HYDROGEN 7.
... , one held mouth up and the other mouth down , may have their covers removed , and a lighted taper applied . In the first case the up - rushing hydrogen is rapidly all burnt , while in the second the combustion HYDROGEN 7.
Página 12
... removal of the balloon from the flask that none of this solution gets between the collodion film and the glass ; hence care must be taken to avoid peeling the thick edges of collodion from the mouth of the flask . Having now varnished ...
... removal of the balloon from the flask that none of this solution gets between the collodion film and the glass ; hence care must be taken to avoid peeling the thick edges of collodion from the mouth of the flask . Having now varnished ...
Página 13
... removing the cover and pouring the gas up out of the vessel , a shadow of the uprising stream of hy- drogen will be seen owing to the difference in the refrac- tive power of hydrogen and air . Instead of pouring the gas out of a vessel ...
... removing the cover and pouring the gas up out of the vessel , a shadow of the uprising stream of hy- drogen will be seen owing to the difference in the refrac- tive power of hydrogen and air . Instead of pouring the gas out of a vessel ...
Página 14
... removing the small stopper from the glass tube , and applying a light to the orifice , the hydro- gen will burn quietly as it issues from the tube ( fig . 10 ) . The air which enters the bell - jar from below , as the hydrogen is making ...
... removing the small stopper from the glass tube , and applying a light to the orifice , the hydro- gen will burn quietly as it issues from the tube ( fig . 10 ) . The air which enters the bell - jar from below , as the hydrogen is making ...
Página 38
... removed from the bell - jar . The cock of the gas - holder should be opened before the one on the eudiometer , to prevent the pos- sibility of air being drawn in , and this second cock should be turned very gradually , so that no drops ...
... removed from the bell - jar . The cock of the gas - holder should be opened before the one on the eudiometer , to prevent the pos- sibility of air being drawn in , and this second cock should be turned very gradually , so that no drops ...
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Términos y frases comunes
allowed ammonia apparatus B.Sc beaker bell-jar blown bromine bubble bulb burning caoutchouc tube carbon dioxide carbon disulphide centimetres long charcoal Chemistry chlorate chlorine coal-gas cock colour combustion condensed containing convenient cooled copper cork cork carrying Crown 8vo cubic centimetres cylinder delivery tube Diagrams dilute dipping dish dropping funnel drops electric Elementary ether evolved experiment filled fitted fragment freezing mixture funnel gases glass tube grams heated hydrobromic acid hydrochloric acid ignited Illustrations inflamed introduced iodide iodine lamp Liquefaction of Gases liquid magnesium means mercury metal metres millimetres nitric oxide nitrogen obtained oxygen paper passed peroxide phosphorus piece of caoutchouc piece of glass placed plate platinum wire potassium potassium chlorate poured pressure salt screen seen short piece show the action shown small flask small quantity sodium solution stopcock stoppered stream sulphur dioxide sulphuretted hydrogen sulphuric acid temperature tion vapour vessel volume Woodcuts Woulf's bottle
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