Metals and their compounds: NECO Chemistry Past Questions and Answers

What the WAEC syllabus covers in Metals and their compounds

Our summary: How aluminium, iron and tin are extracted, common alloys, and sodium, calcium, copper and their compounds.

• Extraction of metals: aluminium; iron; tin ((1) Raw materials, processing, main products and by-products. (2) Uses of metals.)
• Alloys (Common alloys of Cu, Al, Pb, Fe, Sn and their uses.)
• Properties and uses of sodium and its compounds (Compounds must be limited to NaCl, NaOH, Na₂CO₃, NaNO₃, Na₂SO₄ and NaClO.)
• Properties and uses of calcium and its compounds (The compounds must be limited to CaCO₃, CaO, CaSO₄, CaCl₂, and Ca(OH)₂.)
• Reactivity of iron and aluminium with air, water and acids
• Properties and uses of copper and its compounds (The compounds must be limited to CuSO₄, CuO and CuCl₂.)

Syllabus content © The West African Examinations Council (WASSCE (harmonised West African syllabus)). NECO questions are matched to the WAEC syllabus topic.