
112五上第三單元-3
Quiz
•
Science
•
5th Grade
•
Practice Problem
•
Medium
林皎汝 林皎汝
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把某一種水溶液滴在藍色石蕊試紙上,試紙會變紅色,且把水溶液連接在電路中,燈泡會發亮,這種水溶液可能是
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將下列哪一組水溶液混合後,滴入紫色高麗菜汁,紫色高麗菜汁可能呈現紫色系?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列紫色高麗菜汁滴入水溶液時的顏色變化,哪一個錯誤?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用酒精燈加熱糖水使糖變回固體時,用的糖水量如果太多,加熱的時間會有什麼不同?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將等量的酸性水溶液和鹼性水溶液混合後,如果水溶液仍然呈酸性,怎麼做才能使水溶液變成中性?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
試管內裝著某種水溶液,安安分別取紅色、藍色石蕊試紙測試,結果紅色石蕊試紙不變色、藍色石蕊試紙變紅色。此水溶液可能是下列哪一種?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
文君拿了一杯水溶液進行實驗,發現它無法使紅色石蕊試紙變色,且容易導電,它最有可能是下列的哪一種水溶液?
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