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प्रश्न
Give four uses of oxygen.
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उत्तर
Uses of oxygen
- Oxygen is used by firemen, miners, aviators, sea divers and even by every living being.
- Oxygen is necessary for burning of fuels.
- Oxygen mixed with hydrogen as fuel produces.a flame with a very high temperature about 2800°C.
- As a fuel in spacecraft.
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संबंधित प्रश्न
An oxide and a carbonate containing oxygen.
Taking hydrogen peroxide, how would you prepare oxygen in the laboratory ?
What is the role of manganese dioxide in the preparation of oxygen?
What happens when potassium nitrate is heated
Fill in the blank:
Manganese dioxide acts as a _________.
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
The nitric oxide gas reacts with the oxygen and water vapour to form ______ vapour.
Tick (√ ) the most appropriate answer.
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State any four physical properties of oxygen gas.
State three uses of oxygen, other than artificial respiration.
