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| 1. |
What happened when nitric acid is added to egg shell |
| Answer» Egg shell contain CaCO3. On reacting it with nitric acid, a brisk effervescence of CO2 is produced. The reaction is given below CaCO3(s)+2HNO3(aq)------Ca(NO3)2(aq)+H2O(l)+CO2 (g) | |