Which one of the following is not an ore of aluminium? — Metallurgy and Isolation of Elements Chemistry Question
Question
Which one of the following is not an ore of aluminium?
Answer: C
💡 Solution & Explanation
Step 1: Check the chemical formulas: Bauxite is AlOx(OH)3-2x; Corundum is Al2O3; Cryolite is Na3AlF6. Step 2: Epsomite is hydrated magnesium sulfate with the chemical formula MgSO4.7H2O. Step 3: Because Epsomite is an ore of magnesium and does not contain aluminium, it is the correct choice (option c).
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