
酸和氢气(2024)
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Medium
LIM KANG林惟康
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下哪种物质的pH值与上述物质相同?
白粥
酸奶
苦瓜汁
洗发水
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下哪些物质会使酚酞变成红色?
P牙膏
Q 橙汁
R 酸柑汁
S 蒸馏水
P
S
Q
R
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下哪种物质是中性物质?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
酸性溶液电离后都会生成......
碳酸根离子
氢离子
氧离子
氢氧根离子
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
碱溶液和酸溶液反应叫置换反应。
以上说明是否正确?
正确
不正确
一半正确,一半不正确
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
固态氢氧化钠暴露空中,易吸收空气中的水分,使表面溶解,此现象叫?
溶解
潮解
熔化
升华
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下哪项不是氢氧化钠的又称?
大苏打
苛性钠
可行苏大
烧碱
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