the burning of magnesium wire is a ________________ change
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The burning of a piece of magnesium ribbon in air is a chemical change.
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chemical change.
Explanation:
When a magnesium wire is heated, it burns in air to form a white powder called ‘magnesium oxide’. This magnesium oxide is an entirely new substance. Thus, a new chemical substance is formed during the burning of a magnesium metal wire. So, the burning of a magnesium wire is a chemical change.
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