A solution of _______ when reacts with crushed egg-shells, it gives a gas that turns lime-water milky.

NaCl

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HCl

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LiCl

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KCl

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Solution

The correct option is B
HCl

Calcium carbonate is white in colour and insoluble in water. The solution contains of $H C l$ which reacts with egg shell ${C a C O}_{3}$ to release ${C O}_{2}$ gas.
This $C O_{2}$ gas turns lime water milky.

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

(a) NaCl (b) HCl (c) LiCl (d) KCl

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