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

Answer 1

Dissolution. and Effervescence !!!! 

Remember an egg shell is largely Calcium Carbonate. 

All carbonates dissolve in acids to form the salt, water and carbon dioxide. 

CaCO3 + 2HNO3 = Ca(NO3)2 + H2O + CO2  

Answer 2

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