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AP EAMCET201920 Apr 2019Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which one of the following statements regarding helium is not correct?

Options

  1. AIt is used to fill gas balloons instead of hydrogen because it is lighter and not flammable
  2. BIt is used in gas cooled nuclear reactors
  3. CIt is used to produce and sustain powerful super conducting magnets
  4. DIt is not used as a cryogenic agent

Correct answer

D. It is not used as a cryogenic agent

Step-by-step solution

Liquid helium is used as a cryogenic agent. Therefore, statement (d) is incorrect. Rest of the given statements are correct.

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