A) \[CO\]
B) \[{{O}_{2}}\]
C) \[C{{O}_{2}}\]
D) \[{{O}_{3}}\]
Correct Answer: C
Solution :
When silica is heated with metal carbonate, it form silicates. \[Si{{O}_{2}}+N{{a}_{2}}C{{O}_{3}}\xrightarrow{\Delta }N{{a}_{2}}Si{{O}_{3}}+C{{O}_{2}}\uparrow \]
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