What happens when nitric acid is added to an eggshell?

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asked Jan 15, 2018 in Chemistry by jisu zahaan (28,760 points) 26 377 821
What happens when nitric acid is added to an eggshell?

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answered Jan 15, 2018 by faiz (82,347 points) 6 6 11
selected Jan 25, 2018 by Vikash Kumar
 
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Eggshells contain calcium carbonate. When nitric acid is added to it, carbon dioxide gas is evolved. The reaction can be given as
CaCO3 + 2HNO3   ------>   Ca(NO3)2 + H2O + CO2

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