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प्रश्न
Mention the physical properties of oxygen.
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उत्तर
Physical properties of oxygen:
- Oxygen is a colorless, odorless, and tasteless gas.
- It is a poor conductor of heat and electricity
- Oxygen dissolves readily in cold water.
- It is denser than air.
- It can be made into liquid (liquefied) at high pressure and low temperature.
- It supports combustion.
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संबंधित प्रश्न
Two substances from which oxygen can be obtained at a large scale.
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Statement given below is incorrect. Write the correct statement :
The percentage of oxygen in air by volume, varies from 21% to 22%.
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Oxygen is slightly _________ than air.
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Oxygen occupies about ______ of air by volume.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
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Tick (√ ) the most appropriate answer.
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Give reasons for the following:
patients suffering from lung problems are kept in an oxygen tent.
