Question

A solution reacts with crushed egg shells to give a gas that turns lime water milky. The solution contains​

Answer 1

Explanation:

KCl. Hint: You should know that crushed egg-shells are made up of a compound called Calcium carbonate. This compound gives a solution reacting with a commonly known acid, then this solution turns lime-water milky. Crushed egg-shells contain calcium carbonate (CaCO3).

Answer 2

Answer:

the gas is carbon dioxide

the solution was Hydrochloric acid(hcl)