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- Try this! Which one of the following statements regarding helium is incorrect?
Which one of the following statements regarding helium is incorrect?
- Option 1)
It is used to fill gas in balloons instead of hydrogen because it is lighter and non- inflammable.
- Option 2)
It is used as a cryogenic agent for carrying out experiments at low temperatures.
- Option 3)
It is used to produce and sustain powerful superconducting magnets.
- Option 4)
It is used in gascooled nuclear reactors.
Answers (1)
As we learnt in
Property of He -
It is used in weather balloon and tires of aeroplane
- wherein
He is non inflammable
Helium is heavier than hydrogen.
Option 1)
It is used to fill gas in balloons instead of hydrogen because it is lighter and non- inflammable.
This option is correct.
Option 2)
It is used as a cryogenic agent for carrying out experiments at low temperatures.
This option is incorrect.
Option 3)
It is used to produce and sustain powerful superconducting magnets.
This option is incorrect.
Option 4)
It is used in gascooled nuclear reactors.
This option is incorrect.
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