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When Mg metal is burnt in air, a white p...

When `Mg` metal is burnt in air, a white powder is left behind as ash. What is the white powder?

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To determine the white powder left behind when magnesium (Mg) metal is burnt in air, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Reaction**: When magnesium is burnt in air, it reacts with the gases present in the air, primarily oxygen (O₂) and nitrogen (N₂). 2. **Reaction with Oxygen**: The primary reaction that occurs is between magnesium and oxygen. The balanced chemical equation for this reaction is: \[ ...
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