

test
Interactive Video
•
Science
•
9th Grade
•
Practice Problem
•
Hard
chungtsenchen01 chungtsenchen01
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於碳鋅電池的電極,下列敘述何者正確?
負極是碳棒,正極是鋅殼。
負極是鋅殼,正極是碳棒。
負極是二氧化錳,正極是氯化銨。
負極是氯化鋅,正極是澱粉。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於碳鋅電池的特性,下列敘述何者正確?
碳鋅電池可以重複充電使用。
碳鋅電池在充電過程中會產生氣體,有爆炸的危險。
碳鋅電池的電壓在使用過程中會保持穩定不變。
碳鋅電池的電解質是鹼性的。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碳鋅電池的電解質為酸性,長期不使用時應如何處理?
應將電池取出,以避免電器損壞。
應將電池放入冰箱,以延長壽命。
應將電池充電,以保持電量。
應將電池用膠帶封住,以防止漏液。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
相較於傳統碳鋅電池,鹼性乾電池的主要優點是什麼?
鹼性乾電池的電壓較低。
鹼性乾電池的電極會參與化學反應。
鹼性乾電池的放電時間較長且電流穩定。
鹼性乾電池的電解質為酸性。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鹼性電池的電解質主要成分為何?
氯化銨
氯化鋅
氫氧化鉀
硫酸
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
相較於傳統乾電池,鹼性電池具有下列哪項優點?
放電時間較短
電解質為酸性
電流較穩定
可重複充電
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鉛蓄電池的正極與負極材料分別為何?
二氧化鉛與鉛
鉛與二氧化鉛
鋅與碳
碳與鋅
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