Four letter groups are given, out of which three are same in a certain way. Find the odd group that does not belong to the group?
Answer & explanation
Correct answer: option 4
Except Oxygen all are inert gases.
Four letter groups are given, out of which three are same in a certain way. Find the odd group that does not belong to the group?
Correct answer: option 4
Except Oxygen all are inert gases.