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प्रश्न
Give four uses of oxygen.
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
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