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Question

(B) Egg shells are primarily composed of calcium carbonate $(CaCO_3)$.When nitric acid $(HNO_3)$ is added to the egg shell,a chemical reaction occurs

Vedclass · Accepted Answer

Carbon dioxide gas is evolved.

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(B) Egg shells are primarily composed of calcium carbonate $(CaCO_3)$.When nitric acid $(HNO_3)$ is added to the egg shell,a chemical reaction occurs between the acid and the carbonate.This reaction results in the evolution of carbon dioxide $(CO_2)$ gas,along with the formation of calcium nitrate and water.The balanced chemical equation for this reaction is:$CaCO_3 + 2HNO_3 \rightarrow Ca(NO_3)_2 + H_2O + CO_2 \uparrow$

Column $(A)$	Column $(B)$
$(a)$ Plaster of Paris	$(i)$ $Ca(OH)_{2}$
$(b)$ Gypsum	$(ii)$ $CaSO_{4} \cdot 1/2 H_{2}O$
$(c)$ Bleaching Powder	$(iii)$ $CaSO_{4} \cdot 2H_{2}O$
$(d)$ Slaked Lime	$(iv)$ $CaOCl_{2}$

What happens when nitric acid is added to an egg shell?

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