
水溶液導電
Authored by 李國榮 李國榮
Science
11th - 12th Grade
Used 3+ times

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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一項是發光二極體的優點?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一項不是發光二極體的優點?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關發光二極體的敘述,哪一項錯誤?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
發光二極體、電池與電線可以用來檢測水溶液的哪一種特性?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將電路的電線接觸水溶液後,發光二極體會發光,表示水溶液具有什麼特性?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將發光二極體與電線、電池連接,再接上哪一種水溶液後,發光二極體不會發光?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果用發光二極體、電池與電線來測試純水的導電性,結果會如何?
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