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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

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

Grade:12

2 Answers

Harshit Singh
askIITians Faculty 5964 Points
7 months ago
Dear Student

Option(b)is correct here.

​​Thanks
KAPADIA DEV
100 Points
7 months ago
Egg shells are made up Calcium Carbonate (CaCO3) ..
When it reacts with Hydrochloric Acid (HCl) it liberates Carbon Dioxide (CO2) ..Which turns lime water milky...
Hence chemical process is shown below :
 
CaCO3 + 2HCl -------> CaCl2 + HCl + CO2
 
Hence , HCl is the required solution which will react with crushed egg to produce CO2 and turns lime water milky.
 
Correct option :(B) :HCl.

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