
Quiz 32.1-32.3
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Yin Cheung CHING
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些有關電解池和化學電池的陳述正確?
(1) 電解池和化學電池所涉及的反應均是氧化還原化應。
(2) 在電解池和化學電池的陰極均發生還原反應。
(3) 電解池和化學電池均藉化學變化來產生電力。
只有(1)和(2)
只有(1)和(3)
只有(2)和(3)
(1)、(2)和(3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
元素X可透過電解X和Y的熔融化合物提取,在電極所發生的反應如下所示。
在陰極:X 2+(l) + 2e- -> X(l)
在陽極:2Y -(l) -> Y2(g) + 2e-
這化合物可能是下列哪個物質?
氧化鐵(III)
氯化鎂
氧化鈣
氯化鈉
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
參看以下裝置。把固態溴化銀加熱,直至熔化。
下列哪項有關這裝置的陳述正確?
銀色固體在電極Q生成。
電極Q是負電極。
燈泡發亮。
氧化反應在電極P發生。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪個或哪些物質不能被電分解為它的成分元素?
(1) 熔融的氧化鋁
(2) 固態溴化鉛(II)
(3) 純乙醇
只有(1)
只有(2)
只有(1)和(3)
只有(2)和(3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用石墨電極來電解熔融溴化鉛(II)
下列哪些有關這電解的陳述正確?
(1) 鉛(II) 離子是移向陰極的唯一陽離子。
(2) 溴離子是移向陽極的唯一陰離子。
(3) 化學能轉換為電能。
只有(1)和(2)
只有(1)和(3)
只有(2)和(3)
(1)、(2)和(3)
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