A solution X reacts with crushed egg-shells to produce a gas which turns lime water milky. The solution X is:

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
Lime water turns milky due to the liberation of carbon dioxide when egg shells (Calcium Carbonate) react with hydrochloric acid.
$C a C O_{3} + 2 H C l \to C a C l_{2} + H_{2} O + C O_{2}$

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

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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