A) \[ZnS\]
B) \[PbC{{O}_{3}}\]
C) \[ZnC{{O}_{3}}\]
D) \[MgC{{O}_{3}}\]
Correct Answer: C
Solution :
\[\text{ZnC}{{\text{O}}_{\text{3}}}\]is known as calamine. It is an important ore of zinc. It is also called smitsonite in the USA.
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