
考考你:第17章 酸和鹼的強度
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項有關10 cm³的1.0 M的HCl(aq)和10 cm³的1.0 M CH₃COOH(aq)的陳述正確?
A. 這兩個酸都含有相同濃度的H⁺(aq)離子。
B. HCl(aq)的pH較CH₃COOH(aq)的低。
C. 與HCl(aq)相比,存在於CH₃COOH(aq)的可電離氫原子的摩爾數較大。
D. 與HCl(aq)相比,CH₃COOH(aq)的導電性較好。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關16 M硫酸的陳述正確?
(1) 它具腐蝕性。
(2) 它是一種濃強酸溶液。
(3) 它具脫水性質。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關1.0 M的KOH(aq)和1.0 M的NH₃(aq)的陳述正確?
(1) 這兩個溶液的鹼度相同。
(2) KOH(aq)中可流動的離子濃度較NH₃(aq)中的高。
(3) 這兩個溶液都能令濕潤的紅色石蕊試紙變為藍色。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
氫氧化鈉是強鹼,原因是
A. 它的pH高。
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
H₂CO₃(aq)含有下列哪些離子?
(1) H⁺(aq)
(2) HCO₃⁻(aq)
(3) OH⁻(aq)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮下列三種酸:
(1) 0.1 M乙酸
(2) 0.1 M硝酸
(3) 0.1 M硫酸
下列哪項正確顯示這些酸導電性的遞增次序?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個溶液的pH最低?
A. 1 M硫酸
B. 1 M乙酸
C. 1 M氨水
D. 1 M石灰水
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