Chemical Lecture Experiments: Non-metallic ElementsLongmans, Green, 1892 - 323 páginas |
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Página 2
... allowed to settle and the water poured off . The flask is then filled to the neck with distilled water , and a cork carrying a delivery tube is inserted ; on heating the contents of the flask a slow stream of hydrogen is evolved . Zinc ...
... allowed to settle and the water poured off . The flask is then filled to the neck with distilled water , and a cork carrying a delivery tube is inserted ; on heating the contents of the flask a slow stream of hydrogen is evolved . Zinc ...
Página 2
... allowed to settle and the water poured off . The flask is then filled to the neck with distilled water , and a cork carrying a delivery tube is inserted ; on heating the contents of the flask a slow stream of hydrogen is evolved . Zinc ...
... allowed to settle and the water poured off . The flask is then filled to the neck with distilled water , and a cork carrying a delivery tube is inserted ; on heating the contents of the flask a slow stream of hydrogen is evolved . Zinc ...
Página 10
... allowed to stand until the oleate has dissolved , without warming : 100 c.c. of pure glyce- rine are then added , and the mixture after being well shaken is allowed to stand , in the dark , for a few days . The clear solution is then ...
... allowed to stand until the oleate has dissolved , without warming : 100 c.c. of pure glyce- rine are then added , and the mixture after being well shaken is allowed to stand , in the dark , for a few days . The clear solution is then ...
Página 15
... allowed to ascend ; when the burning touch- cotton ignites the balloon , the gaseous mixture will explode . Rather an excess of hydrogen should be present in the mixture , both to secure the ascent of the balloon and to make up for the ...
... allowed to ascend ; when the burning touch- cotton ignites the balloon , the gaseous mixture will explode . Rather an excess of hydrogen should be present in the mixture , both to secure the ascent of the balloon and to make up for the ...
Página 24
... allowed to run in upon the mixture through the funnel , when a rapid evolution of oxygen at once takes place . 39. By gently heating a mixture of manganese dioxide and strong sulphuric acid in a flask provided with a delivery tube ...
... allowed to run in upon the mixture through the funnel , when a rapid evolution of oxygen at once takes place . 39. By gently heating a mixture of manganese dioxide and strong sulphuric acid in a flask provided with a delivery tube ...
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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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