question_answer

Match the following:

1.	\[C+{{O}_{2}}\to C{{O}_{2}}\]	[a]	Decomposition reaction
2.	\[CaC{{O}_{3}}\to CaO+C{{O}_{2}}\]	[b]	Combination reaction
3.	\[Mg+2HCl\to MgC{{l}_{2}}+{{H}_{2}}O\]	[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