Chemical Lecture Experiments: Non-metallic ElementsLongmans, Green, 1892 - 323 páginas |
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Página 6
... connected by means of a piece of caoutchouc tube to a delivery tube on pouring a little 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 ...
... connected by means of a piece of caoutchouc tube to a delivery tube on pouring a little 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 ...
Página 17
... connected to a Sprengel pump , and the tube exhausted . Hydrogen is then admitted , and the pump slowly set in opera- tion until the point of rarefaction is reached , at which the spark will pass between the wires . This is ascertained ...
... connected to a Sprengel pump , and the tube exhausted . Hydrogen is then admitted , and the pump slowly set in opera- tion until the point of rarefaction is reached , at which the spark will pass between the wires . This is ascertained ...
Página 25
... connection with the exit tube from the flask may be made to dip into a dish containing a solution of caustic soda . A long tube , having a stoppered funnel at one end , is filled with soda and inverted over the end of the delivery tube ...
... connection with the exit tube from the flask may be made to dip into a dish containing a solution of caustic soda . A long tube , having a stoppered funnel at one end , is filled with soda and inverted over the end of the delivery tube ...
Página 27
... connected at one end by means of a caoutchouc tube to an oxygen reservoir . A small quantity ( 2 or 3 grams ) of magnesium filings is placed in the brass tube at the open end . A roll of wire gauze , about 6 centimetres long and about ...
... connected at one end by means of a caoutchouc tube to an oxygen reservoir . A small quantity ( 2 or 3 grams ) of magnesium filings is placed in the brass tube at the open end . A roll of wire gauze , about 6 centimetres long and about ...
Página 32
... connected with the coil in action , abundance of ozone is instantly produced . FIG . 26 . The simplest way of inserting the platinum through the glass is to heat the part where it is intended to introduce the wire with a fine pointed ...
... connected with the coil in action , abundance of ozone is instantly produced . FIG . 26 . The simplest way of inserting the platinum through the glass is to heat the part where it is intended to introduce the wire with a fine pointed ...
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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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