Chemical Lecture Experiments: Non-metallic ElementsLongmans, Green, 1892 - 323 páginas |
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Página 6
... strong acid in through the thistle tube the gas is disengaged . The evolution of hydrogen will be rendered more prompt and more rapid by adding a few drops of a solution of copper sulphate to the contents of the bottle before ...
... strong acid in through the thistle tube the gas is disengaged . The evolution of hydrogen will be rendered more prompt and more rapid by adding a few drops of a solution of copper sulphate to the contents of the bottle before ...
Página 11
... strong ammonia solution added . If kept in the dark , and not exposed to the air , this solution may be preserved for years . 14. Balloons may be filled with hydrogen . Balloons made of either gold - beater's skin or of collodion may be ...
... strong ammonia solution added . If kept in the dark , and not exposed to the air , this solution may be preserved for years . 14. Balloons may be filled with hydrogen . Balloons made of either gold - beater's skin or of collodion may be ...
Página 12
... strong . The flask should be put aside for the film to dry spontaneously . In a few hours the film will be seen to have parted from the glass , owing to shrinking on drying . To remove the balloon it is only | necessary to insert a ...
... strong . The flask should be put aside for the film to dry spontaneously . In a few hours the film will be seen to have parted from the glass , owing to shrinking on drying . To remove the balloon it is only | necessary to insert a ...
Página 13
... strong light . The light from an electric lamp is caused to fall upon a screen , without the use of any lenses ; a large glass vessel filled with hydrogen is held at a few feet from the screen , so as to cast a shadow , with its mouth ...
... strong light . The light from an electric lamp is caused to fall upon a screen , without the use of any lenses ; a large glass vessel filled with hydrogen is held at a few feet from the screen , so as to cast a shadow , with its mouth ...
Página 14
... strong sulphuric acid added ; the cork is then instantly replaced , and a lighted taper held to the end of the piece of tobacco pipe . In a few seconds the mixture of air and hydrogen will explode , driving the cork with some violence ...
... strong sulphuric acid added ; the cork is then instantly replaced , and a lighted taper held to the end of the piece of tobacco pipe . In a few seconds the mixture of air and hydrogen will explode , driving the cork with some violence ...
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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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