Is used as a refractory material because :

CHEMISTRY · Single correct · AP · Chemistry · Compound Structure and Properties · Compound Structure and Properties

Problem

\text{MgO}

is used as a refractory material because : (1) It has high melting point (2) It is a good conductor of heat (3) It is a good electrical insulator (4) All of these

Related theory

Ionic Bonding
Ionic bond formation
Chemical Bonding and Molecular Structure
The ionic model
Ionic Compounds
Metals and Non-metals

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