10分鐘小測:第18章 鹽和中和作用
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮以下四種混合物。下列哪些有關這些混合物的陳述正確?
(1) 在P中有易燃的氣體釋出。
(2) 在Q和S中都有水生成。
(3) R的pH必定是7。
A. 只有(1)和(2)
B. 只有(1)和(3)
C. 只有(2)和(3)
D. (1)、(2)和(3)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項正確顯示藉過量碳酸鎂與稀硫酸的反應來製備硫酸鎂晶體的步驟次序?
A. 結晶、蒸發、過濾
B. 蒸發、過濾、結晶
C. 過濾、結晶、蒸發
D. 過濾、蒸發、結晶
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪對化學品最適合用來製備硫酸鉛(II)?
A. 鉛和稀硫酸
B. 氫氧化鉛(II) 和稀硫酸
C. 硝酸鉛(II) 和稀硫酸
D. 碳酸鉛(II) 和稀硫酸
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用碳酸鋅與稀硫酸的反應來製備硫酸鋅晶體時,不需要使用下列哪個儀器?
A. 燒杯
B. 利氏冷凝器
C. 蒸發皿
D. 漏斗
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某氫氯酸樣本的pH是2.0。把下列哪些物質加入樣本時會使它的pH上升?
(1) 水
(2) 肥皂溶液
(3) 0.01 M乙酸
A. 只有(1)和(2)
B. 只有(1)和(3)
C. 只有(2)和(3)
D. (1)、(2)和(3)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
從氧化鋅製備硫酸鋅的其中兩個步驟列舉如下:
步驟I:把氧化鋅加入稀硫酸,直至過量。
步驟II:過濾反應混合物。
下列哪個有關步驟I和步驟II的目的的組合正確?
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪種或哪些鹽不可藉酸鹼滴定來製備?
(1) Cu(NO₃)₂
(2) K₂SO₄
(3) ZnCl₂
A. 只有(1)
B. 只有(2)
C. 只有(1)和(3)
D. 只有(2)和(3)
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