ChemistryChemical combinationJAMB
In the balanced equation aAl + bO₂ → cAl₂O₃, the values of a, b and c are
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Answer: D. 4, 3 and 2
4Al + 3O₂ → 2Al₂O₃ balances 4 Al and 6 O on each side.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.