https://classnotes.ng/lesson/metalsand-their-compound-extraction-of-metals-e-g-aluminium-copper-tin-and-irontheir-properties-and-their-reaction-their-uses-alloys-composition-and-uses-chemistry-sss3-2/
Metals and their compound, extraction of metals (e.g. aluminium, copper, tin and iron) their properties and their reaction, their uses, alloys, composition and uses