Column I | Column II | ||
1. | \[C+{{O}_{2}}\to C{{O}_{2}}\] | [A] | Decomposition reaction. |
2. | \[CaC{{O}_{3}}\to CaO+C{{O}_{2}}\] | [B] | Combination reaction. |
3. | \[Mg+2HCl\to MgC{{l}_{2}}+{{H}_{2}}\] | [C] | Double displacement reaction. |
4. | \[NaOH+HCl\to NaCl+{{H}_{2}}O\] | [D] | Displacement reaction |
A) 1 - B, 2 - A, 3 - D, 4 - C
B) 1 - C, 2 - B, 3 - D, 4 - A
C) 1 - A, 2 - D, 3 - B, 4 - C
D) 1 - A, 2 - B, 3 - D, 4 - C
E) None of these
Correct Answer: A
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