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Question

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


A

NaCl

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B

HCl

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C

LiCl

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D

KCl

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Solution

The correct option is B

HCl


The egg shells are made up of calcium carbonate and the gas which turns lime water milky is carbon dioxide. Carbon dioxide gas can be formed by the action of an acid on calcium carbonate (or egg shells).So, the solution contains HCl.


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