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Question 36Asked in RRB JE CBT-1, 18 Dec 2024, Shift 1 (9:00 AM)

Which of the following represents a combination reaction?

  1. ACaO + H₂O → Ca(OH)₂
  2. BCaCO₃ → CaO + CO₂
  3. C2KClO₃ → 2KCl + 3O₂
  4. DNaCl + AgNO₃ → AgCl + NaNO₃
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Correct answer: (A) CaO + H₂O → Ca(OH)₂

From RRB JE CBT-1 PYQ 18 Dec 2024, Shift 1 (9:00 AM)

This is question 36 of RRB JE CBT-1 PYQ 18 Dec 2024, Shift 1 (9:00 AM). 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.