A) \[Mn{{O}_{2}}+4HCl\to MnC{{l}_{2}}+C{{l}_{2}}+2{{H}_{2}}O\]
B) \[Fe+{{H}_{2}}O\to F{{e}_{3}}{{O}_{4}}+{{H}_{2}}\]
C) \[Zn+HCl\to ZnC{{l}_{2}}+{{H}_{2}}\]
D) \[2KCl{{O}_{3}}\to 2KCl+{{H}_{2}}\]
E) None of these
Correct Answer: A
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