Question

The mixture of `MgCl_(2)` and `MgO` is called _______.
A. double salt
B. Portland cement
C. Sorel cement
D. None of these

Answer 1

Correct Answer - c
When a saturated solution of `MgCl_(2)` is mixed with MgO, the resulting paste sets to a hard marble like mass which consists of oxychloride `(MgO.MgCl_(2).6H_(2)O)`. The paste is known as Sorel cement.