A substance X used in a building material and is insouble in water.When X reacted with dil.HCl , it produces a gas which turn lime water milky . Predict the substance X and write its chemical equations involved .

Asked by sucharitasahoo1 | 4th Jan, 2018, 03:13: PM

Expert Answer:

The compound is Calcium carbonate.

It will react with HCl and forms metal chloride and carbon dioxide is evolved.

Carbon dioxide turns lime water milky.

CaCO subscript 3 space space plus space 2 HCl space space rightwards arrow space space CaCl subscript 2 space space end subscript plus space space straight H subscript 2 straight O space plus space CO subscript 2 

Answered by Varsha | 4th Jan, 2018, 03:26: PM