原電池知識
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Medium
李嘉欣 李嘉欣
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
鐵片與下列一種金屬連接後,插入稀硫酸中,鐵片被腐蝕,此金屬是
鎂
鋁
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
把銅棒和鋅棒用導線與電流錶連接後浸入稀硫酸中,下列敍述正確的是
電流錶指針發生偏轉,指示電流從鋅棒通過電線流向銅棒
溶液中c(H+) 減小
溶液中c(H+) 增大
銅棒上無氣泡產生
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
某金屬與稀鹽酸作用無氫氣產生,該金屬與銅能組成原電池,此金屬是
Mg
Fe
Ag
Cu
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
人們對廢舊電池的處理的主要目的是
回收電池外殼的金屬材料
回收電池中的二氧化錳
回收電池中的石墨電極
防止電池中的重金屬汞、鎘、鉛對土壤、水源的污染
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
下列關於原電池的敍述錯誤的是
構成原電池的正極和負極必須是兩種不同的金屬
原電池是將化學能轉變為電能的裝置
在原電池中,電子流出的一極是負極,發生氧化反應
原電池放電時,電流的方向是從正極到負極
6.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
原電池是一種把 能轉化為 能的裝置
7.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
原電池中相對比較活潑的金屬作 極。
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