Chemistry
State four uses of hydrogen.
Hydrogen
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Answer
The four uses of hydrogen are:
- The oxy-hydrogen flame obtained by burning hydrogen and oxygen together has a very high temperature of about 2800°C - 3000°C. Hence it is used for cutting and welding of metals.
- It is used as a fuel as hydrogen has high heat of combustion.
- It is used for hydrogenation of vegetable oil.
- It is used as a reducing agent in extraction of metals.
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