Is used for lining furnaces because:

CHEMISTRY · Single correct · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals

Problem

\mathrm{MgO}

is used for lining furnaces because: (1) of the high melting point of

\mathrm{MgO}

(2)

\mathrm{MgO}

is a very good conductor of heat (3)

\mathrm{MgO}

is an electrical insulator (4) None of these