Match List I with List II and select the answer using the code given below the Lists : List I (Reaction) List II (Type) A. \\( CaO (s) + H_2O (l) \\rightarrow Ca(OH)_2 (aq) \\) 1. Single displacement B. \\( CaCO_3 (s) \\rightarrow CaO (s) + CO_2 (g) \\) 2. Double displacement C. \\( Pb (s) + CuCl_2 (aq) \\rightarrow PbCl_2 (aq) + Cu (s) \\) 3. Combination D. \\( Na_2SO_4 (aq) + BaCl_2 (aq) \\rightarrow BaSO_4 (s) + 2NaCl (aq) \\) 4. Decomposition Code: A B C D
- A. 2 1 4 3
- B. 2 4 1 3
- C. 3 4 1 2 ✓
- D. 3 1 4 2
Correct Answer: C. 3 4 1 2
Explanation
Reaction A is combination. Reaction B is decomposition. Reaction C is single displacement. Reaction D is double displacement.
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