Post Utme Oau 2023 Chemistry Question 20
Practice objective / multiple choice question 20 from the 2023 Post Utme Oau Chemistry examination.
A 2.5 g sample of a metal is heated in a crucible until it is completely oxidized to its oxide. If the mass of the oxide obtained is 3.2 g, what is the percentage of the metal in the oxide?
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About This Question
This is Post Utme Oau 2023 Chemistry Question 20. It is one of the objective questions from the 2023 Post Utme Oau Chemistry examination.
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