制取乙炔实验的改进贵州天柱二中（５５６６００）潘炎在一个广口瓶里（如下图装置所示）放入几块ＣａＣ。。将一团脱脂棉花做成块状形，放在饱和的ＮａＣＩＯ溶液中浸湿透，用镊子夹取棉团，并稍挤压棉团滤去水液，使之无过快水液滴流下后，放进广口瓶内盖住ＣａＣ。，然... Improvements in Preparation of Acetylene Experiments Guizhou Tianzhu II (556600) Pan Yan placed several pieces of CaC in a jar (shown in the figure below). . A block of defatted cotton is made into a block shape and soaked in a saturated NaCIO solution. The cotton mass is picked up with tweezers, and the cotton mass is slightly squeezed to remove the water solution so that it does not flow down too quickly. , Put it in the jar to cover the CaC. ,...