Question
Which one the following statement regarding helium is incorrect?
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It is used to fill gas balloons instead of hydrogen because it is lighter and non – inflammable
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It is used in gas – cooled nuclear reactors
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It is used to produce and sustain powerful superconducting reagents
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It is used as cryogenic agent for carrying out experiments at low temperatures
Solution
A.
It is used to fill gas balloons instead of hydrogen because it is lighter and non – inflammable
Helium is not used to produce and sustain powerful superconducting magnets. All others are the uses of helium.