Question

Match the following metals with their ores

• A. Lead
• B. Iron
• C. Aluminium
• D. Mercury

Answer 1

Bauxite (${\mathrm{Al}}_2{O}_3.2H_{2}O$) is the ore of aluminium. Iron can be extracted from Haematite (${\mathrm{Fe}}_2{O}_3$) ; galena (PbS) and cinnabar (HgS) are the ores of lead and mercury respectively.