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二氧化碳比空气重吗?书本上是这么写的,我想亲自做个家庭实验,看看到底是不是这样。实验一实验仪器及用品生日蜡烛、玻璃口杯、卫生香、打火机、长饮料吸管。实验仪器装置图实验操作把一根生日蜡烛剪成3cm、6cm长的两段;在玻璃口杯底面上用融化法固定好上述剪好的两段生日蜡烛;用卫生香点燃两段生日蜡烛;把长饮料吸管一端轻触玻璃口杯底,轻轻吹气,观察现象。
Is carbon dioxide heavier than air? The book is written like this, and I wanted to do a home experiment myself to see if it was the case. Experiment a laboratory equipment and supplies Birthday candles, glass beakers, incense, lighters, long drink straws. Experimental apparatus and equipment Figure experimental operation A birthday candle cut into 3cm, 6cm long two; in the glass on the bottom cup melt with the law to fix the cut two birthday candles; lit incense with two birthday candles; Touch one end of a long drink pipette to the bottom of the glass mouth and gently blow to observe the phenomenon.