A) \[CaC{{O}_{3}}\to CaO+C{{O}_{2}}\]
B) \[CaO+2HCl\to CaC{{l}_{2}}+{{H}_{2}}O\]
C) \[Fe+CuS{{O}_{4}}\to FeS{{O}_{4}}+Cu\]
D) \[NaOH+HCl\to NaCl+{{H}_{2}}O\]
Correct Answer: C
Solution :
Among the given options, option (c), shows a displacement reaction.
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