用英语写一篇短文描述金属镁在空气中燃烧的现象.1.把金属镁表面的氧化物清除干净.2.把金属镁放在酒精灯
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The metal magnesium oxide, clean surface. Put the metal magnesium on alcohol lights burning, and hang on asbestos above board. Magnesium burning, and the oxygen in air reaction, the light of the glare, and give off a lot of heat, have a lot of smoke, generating white powder magnesium oxide (MgO) Can also and the reaction of the nitrogen in the air, and to generate a small celadon nitriding magnesium (Mg3N2)
