
考考你:第16章 指示劑和pH
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Chemistry Aristo
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關醋的陳述正確?
(1) 它令藍色石蕊試紙變為紅色。
(2) 與OH⁻(aq)的濃度相比,它所含H⁺(aq)的濃度較高。
(3) 它的pH大於7。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把下列物質分別加入25.0 cm³的0.01 M氫氯酸時,哪個或哪些物質能使它的pH增加?
(1) 加入25.0 cm³的蒸餾水
(2) 加入銅金屬
(3) 加入25.0 cm³的0.01 M硝酸
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關把酸稀釋的陳述正確?
(1) 它的pH增加。
(2) H⁺(aq)的摩爾數維持不變。
(3) H⁺(aq)的濃度減少。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮下列四種物質:
(1) 1 M硫酸
(2) 蒸餾水
(3) 1 M氫氯酸
(4) 1 M氫氧化鈣溶液
下列哪項正確顯示這些物質pH的遞減次序?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若溶液的[H⁺(aq)]是0.01 M,它的pH是多少?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某硝酸樣本的pH是1。把90 cm³的蒸餾水加入10 cm³的硝酸樣本,所得溶液的pH是多少?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把50.0 cm³的1 M HCl(aq)與150.0 cm³的5 M HCl(aq)混合,所得的溶液中H⁺(aq)的濃度是多少?
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