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okSECTION-B22. Why is it advised to rub magnesium ribbon with sand paper before burning it in air?23. A thermometer has 20 equal divsiom |
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Answer» When it is exposed to air it starts reacting with oxygen and forms metal oxides. With Mg the oxide layer forms a white coating on the outside of the metal thal will slowdown burning. The ribbons should be sanded with the sand paper to remove the layer. hope this answer helps you please like the solution 👍 ✔️ |
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