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Q.

Is it true that zinc carbonate is heated strongly in the presence of air to form zinc oxide and carbon dioxide?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is true.
Inorganic compounds include zinc carbonate. ZnCO3 is the chemical formula for zinc carbonate. Physical form of zinc carbonate is a solid white powder or a white crystalline solid. Zinc carbonate on heating decomposes to zinc oxide and carbon dioxide gas. Calamine and smithsonite are two other names for zinc carbonate.
ZnCO3 → ZnO + CO2
 
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