Question
Fri August 03, 2012 By: Sakshi
 

a student dropped few pieces of marble in hydrochloic acid. the evolved gas was passed through lime water. what change would be observed in lime water? write a balanced eq for all the reactions involved

Expert Reply
Fri August 03, 2012
Gas is carbon dioxide.
Equation is
CO2 + CaO = CaCO3
The calcium carbonate is a solid which makes the lime water milky after the CO2 is passed through it.
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