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Write the uses of hydrogen.


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Uses of hydrogen

As a fuel:

  • hydrogen has a high heat of combustion so it is used as a fuel. coal gas, water gas, and liquid hydrogen are some examples of hydrogen as fuel.
  • Liquid hydrogen is used as a fuel in Rockets.
  • Hydrogen is a pollution-free fuel and is likely to become an important source of fuel in the future for automobiles as well as for generating electricity

Meteorological purposes: Being the lightest of all elements, was earlier used in filing air balloons for meteorological work, and these air balloons were used to record temperature, wind speed and air pressure Since hydrogen is highly inflammable it is now replaced by helium which is an inert gas.

Hydrogenation: hydrogen is used in the preparation of Vanaspati ghee. production of Vanaspati ghee from vegetable oil by passing hydrogen through the vegetable oil in presence of a catalyst is called hydrogenation. the catalyst used in the process can be Nickel Platinum or Palladium

Welding of metal: Hydrogen and oxygen are burnt together to produce an oxyhydrogen flame with a temperature of 2800 ° Celsius to 3300 ° Celsius. This flame is used for cutting and welding metals.


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