The gas evolved should be collected over mercury, or received into water.
Effervescence ensues, and nitric oxide is evolved, and may be collected over water or mercury in the pneumatic trough.
This gas must be collected over mercury, and in jars that are free from the least trace of moisture.
If free hydrochloric acid gas be required, it is passed through a vessel containing strong sulphuric acid to dry it, and is collected over a mercury hath.
Chlorine cannot be collected over mercury, because it combines with it as with many other metals, and it is soluble in water; however, it is but slightly soluble in hot water or brine.
When the experiment is performed in the fluorspar tube, the gaseous fluoride may becollected over mercury.
If the reaction is performed in the fluorspar tube, the resulting gaseous silicon tetrafluoride, SiF{4}, may be collected over mercury.
The full force of this upward pressure, however, is not spent in compressing the gas within the tube, for since it is collected over water it contains a certain amount of water vapor.
The hot iron combines with the oxygen in the steam, setting free the hydrogen, which iscollected over water.
The metal dissolves in the acid, while the hydrogen which is liberated escapes through the exit tube C and is collected over water.
Suppose you wish to fill five liter bottles with hydrogen, the gas to be collected over water in your laboratory, how many cubic centimeters of sulphuric acid would be required?
It must becollected over mercury, for water absorbs it, forming the liquid muriatic, or hydrochloric acid.
A lamp must be placed under the retort, when the gas will be speedily disengaged, and come over in great abundance; it may be collected over water.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "collected over" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
