Question

when nitric acid added to egg shells ___ gas is evolved ​

Answer 1

Answer:

When we add egg-shell to nitric acid, the Nitric acid reacts with calcium carbonate (which is present in the egg-shell) to form calcium nitrate, carbon dioxide gas, and water. -The carbon dioxide gas released from this reaction turns lime-water milky.

Answer 2

$\huge\star\mathfrak\red{{Hey Mate...!!}}$

● When nitric acid added to egg shells carbon dioxide gas is evolved.

=> Eggshell + nitric acid ----------> calcium nitrate + carbon dioxide + water