Question

Match the items of Column I with items of Column II:

Answer 1

A )Bauxite is an ore of the mineral called Alumina ($A{l}_2{O}_3$)

B) Malachite is a copper carbonate hydroxide mineral, with the formula $C{u}_{2}C{O}_3(OH{)}_2$.

C) Calamine is a combination of zinc oxide and 0.5% ferric oxide ($F{e}_2{O}_3$) and $Zn$.

D) Magnetite is a mineral and one of the main iron ores. With the chemical formula $F{e}_3{O}_4$,