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| 1. | OU E ST 1SNI OS TEQ_Uagnesium ribbon be cleaned before burning in air?teha holanced eatinn Ofinlanced couation for the following chemical reactions. | 
| Answer» Magnesium ribbon mustbecleaned before burning in airso that the layer ofmagnesiumoxide (which is formed due to reaction ofmagnesiumwithair) can be removed in order to get the desired chemical reaction. Withmagnesium, the oxide layer forms a white coating on the outside of the metal that will slow down or interfere with the burning process. Theribbons shouldbe sanded with a finesandpaper, therefore, to remove the layer. Withmagnesium, the oxide layer forms a white coating on the outside of the metal that will slow down or interfere with the burning process. Theribbons shouldbe sanded with a finesandpaper, therefore, to remove the layer. | |