51问答网 > 为什么滤纸与漏斗壁中间有气泡就会让滤液下降速度慢?追加分！~

为什么滤纸与漏斗壁中间有气泡就会让滤液下降速度慢?追加分！~

要详细，好的会追加分！~
2025-03-15 03:53:23
推荐回答（3个）
回答1：

气泡“顶住”了液体的流下。或者说具有表面张力的气泡膜堵住了滤纸的孔。使液体难以流下。

回答2：

过滤是滤液通过滤纸沿漏斗壁渗透流下.滤纸和漏斗壁中间的空气渗透形成阻力,所以速度减慢.

回答3：

http://zhidao.baidu.com/question/34986548.html
http://zhidao.baidu.com/question/7400700.html
http://zhidao.baidu.com/question/43916862.html
可参考上面三个答案。祝你好运

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