Science
A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains
- NaCl
- HCl
- LiCl
- KCl
Acids Bases Salts
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Answer
HCl
Reason — Egg shells are made up of calcium carbonate and when calcium carbonate reacts with HCl it liberates CO2 gas which turns lime water milky.
CaCO3 + 2HCl ⟶ CaCl2 + H2O + CO2 ↑
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