
翰林國中自然3下ch1-3電池
Authored by 翰林出版國中自然 翰林出版國中自然
Physics
9th Grade
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8 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
關於鋅銅電池的敘述,下列何者錯誤?
銅極是正極
鋅極是負極
銅原子失去電子成為銅離子
鋅原子失去電子成為鋅離子
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
碳鋅電池與鉛蓄電池的差異在於下列何者?
碳鋅電池內沒有電解質
碳鋅電池內加了澱粉,使電解液不易流動
碳鋅電池內沒有水分,呈乾燥狀態
碳鋅電池內沒有可移動的離子
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
關於鉛蓄電池的敘述,下列何者錯誤?
充電時,兩電極皆漸變成硫酸鉛
正極為二氧化鉛,負極為鉛
以硫酸為電解液
放電時,硫酸溶液濃度減小
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
手機使用的鋰離子電池、鉛蓄電池、碳鋅電池、伏打電池,上述四種電池中不屬於二次電池的為何?
手機使用的鋰離子電池
鉛蓄電池
碳鋅電池
伏打電池
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
碳鋅電池放電時電子流的流向為何?
由鋅經外電路至碳棒
由鋅經內電路至碳棒
由碳棒經外電路到鋅
由碳棒經內電路到鋅
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
購買電池時,首先必須注意下列哪一項?
電池價錢是否便宜
電池外觀是否好看
電池的型號或電壓
是否為鹼性電池
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列何者為伏打電池?
碳鋅電池
鋅銀電池
鉛蓄電池
以上皆是
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