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Question 81Asked in RRB JE CBT-1, 20 Feb 2026, Shift 3 (4:30 PM)

Which element exists as a monoatomic molecule?

  1. AOxygen
  2. BChlorine
  3. CNitrogen
  4. DArgon
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Correct answer: (D) Argon

From RRB JE CBT-1 PYQ 20 Feb 2026, Shift 3 (4:30 PM)

This is question 81 of RRB JE CBT-1 PYQ 20 Feb 2026, Shift 3 (4:30 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.