P-Block Elements Ques 434

Question: Which of the following gas is/are called rare gas

[CPMT 2000; Pb. CET 2002]

Options:

A) Ne

B) He

C) Kr

D) All of these

Show Answer

Answer:

Correct Answer: D

Solution:

He, Ne, and Kr all are found in very little amount in atmosphere, so all are called rare gas.



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