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藍色石蕊試紙能否測酸雨
藍色石蕊試紙能否測酸雨
更新时间:2024-12-25 09:58:49

  1、藍色石蕊試紙能測酸雨。

  2、石蕊遇酸變紅,遇堿變藍的現象。

  3、石蕊試紙在酸性液中呈紅色,在堿性液中呈藍色,檢測酸性液時宜用藍色石蕊試紙,檢測堿性液時則用紅色石蕊試紙。

  4、藍色石蕊試紙上滴酸性溶液,紙變紅色,滴堿性溶液,紙不變色;在紅色石蕊試紙上滴酸性溶液,紙不變色,滴堿性溶液,變藍色。

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