A magnesium ribbon burns with a dazzling flame in air and changes into a white substance, magnesium oxide. Is magnesium be oxidized or reduced in this reaction? Justify.
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Answer: in the given reaction magnesium is oxidized .
Explanation: the reaction is :
2Mg + O2 ====> 2 MgO
it is clear from the reaction is oxygen added in Mg and form MgO and we know that the addition of oxygen in the reaction is called oxidation reaction .
So, the magnesium is oxidized and form MgO.
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