Chemistry - Metallurgy Question with Solution | TestHub

(A) Calamine is ${\mathrm{ZnCO}}_3$ and siderite is ${\mathrm{FeCO}}_3$

(B) Argentite is ${\mathrm{Ag}}_2\mathrm{S}$ while bauxite is ${\mathrm{Al}}_2{\mathrm{O}}_3\cdot 2{\mathrm{H}}_2\mathrm{O}$

(C) Zinc blende is ZnS and galena is PbS

(D) Malachite is ${\mathrm{CuCO}}_3\mathrm{Cu}(\mathrm{OH}{)}_2$ and azurite is $2{\mathrm{CuCO}}_3\mathrm{Cu}(\mathrm{OH}{)}_2$