Question
Chemistry Question on p -Block Elements
Which one of the following statements regarding helium is incorrect ?
A
It is used to fill gas balloons instead of hydrogen because it is lighter and non-inflammable
B
It is used in gas-cooled nuclear reactors
C
It is used to produce and sustain powerful superconducting magnets
D
It is used as a cryogenic agent for carrying out experiments at low temperatures
Answer
It is used to fill gas balloons instead of hydrogen because it is lighter and non-inflammable
Explanation
Solution
Helium is not lighter than hydrogen