A) \[C+{{O}_{2}}\to C{{O}_{2}}\]
B) \[CaC{{O}_{3}}\to CaO+C{{O}_{2}}\]
C) \[CuS{{O}_{4}}+Fe\to FeS{{O}_{4}}+Cu\]
D) All of these
E) None of these
Correct Answer: C
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