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The mixture of MgCl(2) and MgO is called...

The mixture of `MgCl_(2)` and `MgO` is called _______.

A

Double salt

B

Sorrel cement

C

Portland cement

D

None of these

Text Solution

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The correct Answer is:
B
Sorrel cement is known as magnesia cement is a non– hydraulic cement.
The cement is a mixture of magnesium oxide with, magnesium chloride with approximate chemical formula `Mg_(4)Cl_(2)(OH)_(6)(H_(2)O)_(8)`, corresponding to a weight ratio of 2.5 - 3.5 parts MgO to one part `MgCl_(2)`.
`5MgO+MgCl_(2)+13H_(2)Oto5Mg(OH)_(2).MgCl_(2).8H_(2)O`.
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