
110自然五下第二單元
Authored by 李政導 李政導
Chemistry
5th Grade
Used 7+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
石蕊試紙有紅色和藍色兩種,檢驗水溶液的酸鹼性時,每次只需要使用其中一種就可以判斷出水溶液的酸鹼性。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
能用來做為測試水溶液酸鹼性質的物品,只有石蕊試紙一種。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
可以利用小蘇打水來清洗廚房的油垢。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
除了紫色高麗菜外,紅玫瑰花、紫葡萄也可以用來製成酸鹼指示劑。
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將紫色高麗菜汁滴入白醋水溶液中,顏色會轉變為紅色系。
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
紫色高麗菜汁和石蕊試紙一樣,遇到酸鹼性質不同的水溶液會有規律性的顏色變化。
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
紫葡萄的外皮榨汁後,也可以用來做為酸鹼指示劑。
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