Acid-alkali indicators

2009-08-15 11:37 pm

Besides red cabbages, give two other plants that can be used as acid-alkali indicators.
Also,please give the reliable website. Thanks!

20 point!

回答 (2)

用戶22826

2009-08-16 1:14 am

✔ 最佳答案

Red rose

(Any deeply coloured plants.)

Hope I can help you =D

2009-08-15 17:20:24 補充：
Another one:

Hydrangeas (繡球花)

blue in acidic substance, pink in alkaline substance

參考: ME, ME

👍 0 👎 0

cyy

2009-08-16 12:29 am

litmus
no reliable website, learnt it in primary school

參考: myself

👍 0 👎 0

收錄日期: 2021-04-13 16:47:30
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090815000051KK01083

檢視 Wayback Machine 備份