Chemical Lecture Experiments: Non-metallic ElementsLongmans, Green, 1892 - 323 páginas |
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Página 8
... cause that end of the beam to rise . A balance suitable for this and a number of other lecture experiments may be readily constructed in the laboratory : - ( 1 ) The beam . Four square rods of wood , A , B , C , D , about 50 centimetres ...
... cause that end of the beam to rise . A balance suitable for this and a number of other lecture experiments may be readily constructed in the laboratory : - ( 1 ) The beam . Four square rods of wood , A , B , C , D , about 50 centimetres ...
Página 12
... causes the balloon to collapse , and the sloping shoulders of the flask allow of its easy withdrawal . If the second coating of collodion be made with collodion which is coloured - e.g . by adding to it a small quantity of an alcoholic ...
... causes the balloon to collapse , and the sloping shoulders of the flask allow of its easy withdrawal . If the second coating of collodion be made with collodion which is coloured - e.g . by adding to it a small quantity of an alcoholic ...
Página 13
... 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 downward . On removing the cover and pouring the ...
... 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 downward . On removing the cover and pouring the ...
Página 16
... cause the image of the flame to oscillate , a continuous streak of light will be seen ; on again allowing the flame ... caused by the tendency of the draught up the tube to lift the hydrogen flame away from the jet . Hydrogen may be ...
... cause the image of the flame to oscillate , a continuous streak of light will be seen ; on again allowing the flame ... caused by the tendency of the draught up the tube to lift the hydrogen flame away from the jet . Hydrogen may be ...
Página 18
... causes the ignition of the gas at the mouth of the cylinder , it is best to pass the wire in before con- necting with the battery ( a switch should be placed in the circuit ) . When the circuit is completed , no visible effect re- sults ...
... causes the ignition of the gas at the mouth of the cylinder , it is best to pass the wire in before con- necting with the battery ( a switch should be placed in the circuit ) . When the circuit is completed , no visible effect re- sults ...
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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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