Question

Name the compound used in manufacture of a cement

Answer 1

CaSO4.2H2O is used for cement

Answer 2

Cement is the most important building construction material. It has the property of setting into hard mass after mixing with water in required amount. It is also known as Portland cement because after setting into hard mass it resembles with the rocks found in Portland in United Kingdom. It is fine grey powder which is made from limestone and clay.

The chemical formula of cement is CaO.Al2O3.Fe2O3 

Raw Material Required for Manufacturing of Cement

       The two important raw materials used for the preparation of cement are: 

    1. Limestone

       The chemical formula of limestone is CaCO3 and it is used in the manufacture of cement just to provide CaO.