Question

The solution of a compound x which is used for whitewashing reacts with co2 to produce a bulky compound y,upon bubbling excess of co2 ,the milkiness disappears due to formation of another compound z
1. Identify the compound x,y,z
2. Write the chemical reaction involved

Answer 1

X-Ca(OH)2

Y-CaCo3

Z-Ca{HCo3}2

reaction envolved are

Ca(OH)2+CO2⇒CaCo3+ H2o

CaCo3+ H2o+CO2⇒Ca{HCo3}2