Question

what is the common between marble and eggshell?how can you test this common feature?

Answer 1

"There is only one similarity seen between marble and eggshell.

Both marble and eggshell are made of a common chemical compound, i.e., calcium carbonate CaCO3.

This is known after reacting both of them with acids. Both of them release carbon dioxide and water.

CaCO3 + HCl   ->   CaCl2 + CO2 + H2O

"

Answer 2

This is the answer of a question .