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2022 BGCSE Chemistry Paper-1 Question-14
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Q-50
The reaction between magnesium and carbon dioxide is represented by the equation shown. 2 Mg + CO₂ ⟶ 2MgO + C Which statement describes what happens in this reaction?
Carbon is oxidized.
Magnesium is reduced.
Neither oxidation or reduction occurs.
The carbon in carbon dioxide is reduced.
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