
Acid/Base Review
Authored by Isaac Cheuk
Chemistry
10th Grade
Used 2+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列哪些溶液的pH是1.0?
(1) 0.10 M HCl(aq)
(2) 0.10 M H₂SO₄(aq)
(3) 0.10 M HNO₃(aq)
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
45 sec • 1 pt
考慮以下四種物質:
(1) 0.01 M HCl(aq)
(2) 0.01 M H₂SO₄(aq)
(3) 0.01 M NH₃(aq)
(4) H₂O(ℓ)
下列哪項顯示物質pH遞增的次序?
A. (1)、(2)、(3)、(4)
B. (1)、(2)、(4)、(3)
C. (2)、(1)、(4)、(3)
C. (2)、(1)、(4)、(3)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
若把蒸餾水加入100 cm³的酸,從而把酸稀釋至400 cm³,下列哪些陳述正確?
(1) 酸的pH上升。
(2) H⁺(aq)離子的濃度下降。
(3) H⁺(aq)離子的摩爾數減少。
A. 只有(1)和(2)
B. 只有(1)和(3)
C. 只有(2)和(3)
D. (1)、(2)和(3)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列哪些有關氨水的陳述正確?
(1) 它的pH高於7。
(2) 溶液中OH⁻(aq)離子的濃度較H⁺(aq)離子的濃度高。
(3) 它令藍色石蕊試紙變為紅色。
A. 只有(1)和(2)
B. 只有(1)和(3)
C. 只有(2)和(3)
D. (1)、(2)和(3)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
把數滴酚酞和甲基橙分別加入兩個0.1 M氫氧化鈉溶液樣本,下列哪個有關指示劑在這兩個樣本所呈現的顏色的組合正確?
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
以下pH標度顯示四種摩爾濃度相同的水溶液W、X、Y和Z的pH。下列哪個組合可能是這些水溶液?
A
B
C
D
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
計算pH如下的溶液中H+ (aq)的濃度:
pH 2.0
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