A) \[CaC{{O}_{3}}\to CaO+C{{O}_{2}}\]
B) \[NaN{{O}_{3}}\to NaN{{O}_{2}}+{{O}_{2}}\]
C) \[{{H}_{2}}{{O}_{2}}\to {{H}_{2}}O+{{O}_{2}}\]
D) \[A{{l}_{2}}C{{O}_{3}}\to A{{l}_{2}}{{O}_{3}}+C{{O}_{2}}\]
Correct Answer: A
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