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Grade 1210 grade science

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

Profile image of Pawan Prajapati
5 Years agoGrade 12
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2 Answers

Profile image of Harshit Singh
5 Years ago
Dear Student

Option(b)is correct here.

​​Thanks
Profile image of KAPADIA DEV
5 Years 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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