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Question 47Asked in RRB JE CBT-1, 20 Feb 2026, Shift 2 (12:45 PM)

Which of the following will diffuse slowest in air?

  1. AOxygen
  2. BHydrogen
  3. CAmmonia
  4. DChlorine
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Correct answer: (D) Chlorine

From RRB JE CBT-1 PYQ 20 Feb 2026, Shift 2 (12:45 PM)

This is question 47 of RRB JE CBT-1 PYQ 20 Feb 2026, Shift 2 (12:45 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.