A) \[{{K}_{2}}C{{O}_{3}},Si{{o}_{2}},CaC{{O}_{3}}\]
B) \[{{K}_{2}}C{{O}_{3}},Si{{O}_{2}},PbC{{O}_{3}}\]
C) \[N{{a}_{2}}C{{O}_{3}},Si{{O}_{2}},CaC{{O}_{3}}\]
D) \[N{{a}_{2}}C{{O}_{3}},Si{{O}_{2}},PbO\]
Correct Answer: C
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