
Ch09(9.19.2) 常見的酸和鹼 L2
Quiz
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Medium
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. 下列哪些飲料的pH值低於7?
(1) 茶
(2) 蘋果汁
(3) 汽水
A. 只有 (1) 和 (2)
B. 只有 (2) 和 (3)
C. 只有 (1) 和 (3)
D. (1)、(2) 和 (3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. 下列哪項是所有酸均具備的性質?
A. 有苦味
B. 有滑溜的觸感
C. 使紅色石蕊試紙變成藍色
D. pH值低於7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. 溶液X的pH值是9,溶液Y的pH值則是4。下列哪些關於溶液X和Y的敍述是正確的?
(1) X的鹼度較Y為高。
(2) Y是酸性的。
(3) X和Y均是鹼。
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
30 sec • 1 pt
4. 在下列哪些類型的液體中,藍色石蕊試紙的顏色會保持不變?
(1) 鹼性
(2) 中性
(3) 酸性
A. 只有 (1) 和 (2)
B. 只有 (2) 和 (3)
C. 只有 (1) 和 (3)
D. (1)、(2) 和 (3)
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
把答案填寫在橫線上。
1. 若把紅色石蕊溶液加入鹼中,它會變成 __________________ 色。
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
把答案填寫在橫線上。
2. 胃裏消化液的pH值 __________________ (高於 / 低於)7。
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
把答案填寫在橫線上。
3. 氨溶液的pH值 __________________ (高於 / 低於)7。
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