calamine is _________ 1) CaCO3 2) ZnCO3 3) MgCO3 4) CaCO3+MgCO3
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calamine is _________ 1) CaCO3 2) ZnCO3 3) MgCO3 4) CaCO3+MgCO3
ans 2) ZnCO3
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CaZnCo3
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can be the answer
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