Which one of the following statements regardi | vedclass

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(C) The correct answer is $(C)$.Helium is actually twice as heavy as hydrogen,not lighter. While it is non-inflammable,the statement that it is lighte

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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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(C) The correct answer is $(C)$.Helium is actually twice as heavy as hydrogen,not lighter. While it is non-inflammable,the statement that it is lighter than hydrogen is scientifically incorrect.Helium has the lowest melting and boiling points of any element,making liquid helium an ideal coolant for superconducting magnets and cryogenic research.It is also used in gas-cooled nuclear reactors as a heat transfer medium.

Which one of the following statements regarding helium is incorrect?

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