
C20小測
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
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14 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
根據金屬形成離子的傾向把它們排列,所得序列稱為金屬的_____。
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
在簡單化學電池重,組成電池的兩種金屬在電化序的距離愈遠,電池的電壓就愈___。
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
在丹聶爾電池中,負電極是____片。
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
在丹聶爾電池中,正電極是____製容器。
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
在化學電池中,電子由___電極經外電路流出至另一個電極。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項有關該化學電池的陳述正確?(電流方向和電子方向相反)
鐵片的質量增加。
金屬 X 薄片的質量下降。
鐵片是正電極。
X 可能是銀。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項有關該檸檬電池的陳述正確?
鎂片作為陰極。
電流由銅片經外電路流向鎂片。
銅片作為負電極。
電子由銅片經檸檬汁流向鎂片。
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