question_answer

Match the following:

	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