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Question 58Asked in RRB JE CBT-1, 19 Feb 2026, Shift 2 (12:45 PM)

Which calculation correctly gives the molecular mass of nitric acid (HNO₃)?

  1. A1 + 14 + 48
  2. B1 + 14 + 3
  3. C2 + 14 + 48
  4. D1 + 14 + 16
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Correct answer: (A) 1 + 14 + 48

From RRB JE CBT-1 PYQ 19 Feb 2026, Shift 2 (12:45 PM)

This is question 58 of RRB JE CBT-1 PYQ 19 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.