1. Tardigrade
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  3. Chemistry
  4. The noble gas that does NOT occur in the atmosphere is:

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Q. The noble gas that does NOT occur in the atmosphere is:

JEE MainJEE Main 2019The p-Block Elements - Part2

Solution:

In question noble gas asked, which does not exist in the atmosphere and answer is given Ra. Ra is a alkaline earth metal not noble gas it should be Rn. It is printing error in JEE Main paper