在几天前的一次制取氧气的实验中,小明应用排水法来收集氧气。由于操作不够熟练,本来装满水的集气瓶在翻入水槽中时,其中的水一下子流出了接近三分之一。眼看着水槽里的导气管口直冒气泡,他就没有再将水注满,而是本能地把这只集气瓶罩在导气管口部就开始收集了。当他收集“满”之后,特别有意识地尝试利用带火星的木条放在集气瓶口进行检验,本以为木条是不会复燃的,但结果却令人意外——木条竟然复燃了。面对这“意外”的实验现象,小明并没有轻易放弃。他决定在老 In a few days ago to make oxygen in the experiment, Xiao Ming drainage method to collect oxygen. As the operation is not proficient, originally filled with water when the gas bottle into the sink, the water suddenly flowed out of nearly one-third. Looking at the airway in the sink, his mouth flushed, and instead of filling it with water, he instinctively collected the gas-collecting bottle in the mouth of the airway. After he collected “Full”, he especially consciously tried to use the strips of Mars placed in the gas collection bottle for testing. He thought the strips would not be rekindled, but the result was surprising - that the strips Even revived. In the face of this “accidental” experimental phenomenon, Xiao Ming did not give up easily. He decided to be old