Metallurgy · Chemistry · TS EAMCET

The major components of cement are

A low boiling point metal contains high boiling point metal as impurity. The correct refining method is

"Observe the following reaction. This reaction represents $$ 4 \mathrm{HCl}+\mathrm{O}_2 \xrightarrow[723 \mathrm{~K}]{\mathrm{CuCl}_2} 2 \mathrm{Cl...