如果實驗裝置與對照裝置 出來的結果一樣代表 ?
eg:碘液測試,
實驗裝置與對照裝置出來的結果都是令樹葉變藍黑色或棕色,
代表?
科學實驗問題?20分
2011-09-22 4:33 am
回答 (3)
2011-09-23 1:01 am
First what is the purpose of your test ? You think there are starch in the leaf so you use iodine to test whether any starch is in the leaf . If the test is positive , this proves what you think is true ; that leaf does contain some starch .
2011-09-22 6:46 am
代表你ge Hypothesis 錯左或個實驗有問題
收錄日期: 2021-04-13 18:16:12
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110921000051KK00793