16. The most important ore of lead is A.Galena B.Magnetite C.Pyrolusite D.Siderite
Answer: Option A Solution: Lead ore is most commonly found as lead sulphide (PbS), galena, a heavy, shiny grey metallic ore with a conspicuous cubic cleavage, but locally pyromorphite, lead chlorophosphate (Pb5(PO4)3Cl), was worked on Green Hill, near Charterhouse and on Blagdon Hill.
