Q: Match List I with List II and select the answer using the code given below the Lists: List I (Reaction) A. CaO (s) + H₂O (l) → Ca(OH)₂ (aq) B. CaCO₃ (s) → CaO (s) + CO₂ (g) C. Pb (s) + CuCl₂ (aq) → PbCl₂ (aq) + Cu (s) D. Na₂SO₄ (aq) + BaCl₂ (aq) → BaSO₄ (s) + 2NaCl (aq) List II (Type) 1. Single displacement 2. Double displacement 3. Combination 4. Decomposition Code:
(a)A-2, B-1, C-4, D-3
(b)A-2, B-4, C-1, D-3
(c)A-3, B-4, C-1, D-2
(d)A-3, B-1, C-4, D-2
Correct Answer: (c)
The correct answer is (c): 3 4 1 2. Subject: Environment & Ecology | Sub-topic: Climate Change & Greenhouse Gases Note: This answer was determined through AI-based research. Verify against the official answer key when available.