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ＣＯ、ＣＨ_４燃烧产物检验方法的改进葛洲坝一中周柏洲（４４３００２）一、问题初中化学教材中，ＣＯ燃烧产物的检验是在火焰上罩一个内壁涂有澄清石灰水的烧杯；ＣＨ４的燃烧产物则采用干冷的烧杯罩在火焰上一会，再迅速倒转过来，注入少量澄清石灰水的方法来检验的。?..
Improvements in the inspection methods for CO and CH_4 combustion products Gezhouba Yizhongzhong Zhou Bozhou (443002) I. Problems in junior middle school chemistry textbooks, the inspection of CO combustion products is to cover the flame with a beaker with clear lime water on the inner wall; the combustion products of CH4 are used The dry, cold beaker covers the flame for a while, then quickly turns it over and injects a small amount of clarified lime water to test it. ?..