Oxygen-gas sentence example

oxygen-gas
  • Upside down water filled burettes can be used to collect the oxygen gas.

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  • The test for oxygen gas is that it relights a glowing splint.

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  • If, instead of using copper electrodes, we take plates of platinum, copper is still deposited on the cathode; but, instead of the anode dissolving, free sulphuric acid appears in the neighbouring solution, and oxygen gas is evolved at the surface of the platinum plate.

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  • Thus, with a dilute solution of sulphuric acid and platinum electrodes, hydrogen gas is evolved at the cathode, while, as the result of a secondary action on the anode, sulphuric acid is there re-formed, and oxygen gas evolved.

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