MHT CET Chemistry question

Which of the following statements regarding helium is INCORRECT? [AIEEE 2007]

(A)It is used to produce and sustain powerful superconducting magnets
(B)It is used as a cryogenic agent for carrying out experiment low temperature
(C)It is used to fill gas balloons instead of hydrogen because it is lighter than hydrogen and non-inflammableCorrect
(D)It is used in gas-cooled nuclear reactors

Answer: (C)

Solution

Helium is used for superconducting magnets, as a cryogenic agent and in gas-cooled reactors, but it is heavier than

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Question ID VK-071409