What happens when egg shell is …
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Sia ? 6 years, 6 months ago
Egg shells contain calcium carbonate. Acids react with metal carbonates and metal bicarbonates to form carbon dioxide gas. When nitric acid is added to the egg shells, carbon dioxide gas is evolved. The reaction can be given as follows:
{tex}\mathrm{CaCO}_{3}+2 \mathrm{HNO}_{3} \rightarrow \mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}+\mathrm{H}_{2} \mathrm{O}+\mathrm{CO}_{2} {/tex}
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