Chemical Lecture Experiments: Non-metallic ElementsLongmans, Green, 1892 - 323 páginas |
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Página 2
... cork carrying a delivery tube is inserted ; on heating the contents of the flask a slow stream of hydrogen is evolved . Zinc filings may be substituted for zinc - dust ; but in this case the action will be slower . 4. By the action of ...
... cork carrying a delivery tube is inserted ; on heating the contents of the flask a slow stream of hydrogen is evolved . Zinc filings may be substituted for zinc - dust ; but in this case the action will be slower . 4. By the action of ...
Página 2
... cork carrying a delivery tube is inserted ; on heating the contents of the flask a slow stream of hydrogen is evolved . Zinc filings may be sub- stituted for zinc - dust ; but in this case , the action will be slower . = 4. By the ...
... cork carrying a delivery tube is inserted ; on heating the contents of the flask a slow stream of hydrogen is evolved . Zinc filings may be sub- stituted for zinc - dust ; but in this case , the action will be slower . = 4. By the ...
Página 4
... cork . This wider tube is to carry the safety valve , ' which consists of a bulb - tube of glass , loaded with ... corks , the tube must project a considerable distance at each end beyond the furnace to prevent the corks becoming charred ...
... cork . This wider tube is to carry the safety valve , ' which consists of a bulb - tube of glass , loaded with ... corks , the tube must project a considerable distance at each end beyond the furnace to prevent the corks becoming charred ...
Página 14
... cork , through which passes a short piece of clay tobacco - pipe stem , projecting about a centimetre beyond the cork . A small quantity of granulated zinc is placed in the bottle and just covered with water , and a few drops of strong ...
... cork , through which passes a short piece of clay tobacco - pipe stem , projecting about a centimetre beyond the cork . A small quantity of granulated zinc is placed in the bottle and just covered with water , and a few drops of strong ...
Página 17
... cork , and a loop of thin platinum wire , about two inches long , soldered to them at one end , so that it can be heated by an electric current . The current necessary to raise the wire to incandescence , in the air , C must be arranged ...
... cork , and a loop of thin platinum wire , about two inches long , soldered to them at one end , so that it can be heated by an electric current . The current necessary to raise the wire to incandescence , in the air , C must be arranged ...
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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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