在做过氧化钠的性质实验时,容易发生这样的现象:当用带有火星的木条伸入盛有过氧化钠和水的试管中时,试管中发出了尖锐的爆鸣声,没能观察到应有的“带有火星的木条复燃”现象。这是为什么呢? 因为木条在氧气不充足的条件下,燃烧生成了一氧化碳,而一氧化碳及其它可燃性气体 In the sodium oxide nature experiment, it was easy to happen that when a wood strip with Mars was inserted into a test tube containing sodium peroxide and water, a sharp crackle sounded in the test tube. Observe the phenomenon of “sparking of wood with Mars”. Why is this? Because the wood is burned to produce carbon monoxide under conditions of insufficient oxygen, and carbon monoxide and other flammable gases