Question

write a balanced chemical.equation when egg shells are dropped in hcl.​

Answer 1

Egg shell contains calcium carbonate. When HCl is poured over egg shells, it dissolves in HCl to form calcium chloride and water and carbon dioxide is liberated with effervescenc

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Answer 2

Answer:

So egg shells contain CaCO3. Therefore it will react with the Hydrochloric Acid. The answer would be the following:

 

        CaCO3 + 2HCl --------->  CaCl2 +CO2 + H2O