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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
Name the three types of oxidation processes. In which of these large amount of heat and light energy are produced?
The natural way of adding oxygen to air which involves green plants is called
What happens when Sulphur burns in oxygen ? Also give the balanced chemical equation for the reaction.
State the precautions while preparing oxygen in the labo-ratory.
How will you obtain dry oxygen in the laboratory?
How will you identify oxygen in the laboratory ?
Complete and balance the following equation
Al + O2 →
Statement given below is incorrect. Write the correct statement :
The oxygen gas turns moist blue litmus red.
Statement given below is incorrect. Write the correct statement :
Moist oxygen causes rusting in carbon.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
