JUEC - 碱,常见的碱,酸碱指示剂
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Hard
Chong Juin
Used 33+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
碱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
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
“我们可以用pH计检验固态的氢氧化钠”。以上说明是否正确?
正确
不正确
一班正确,一班不正确。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碱溶液和酸溶液反应始终置换反应。
以上说明是否正确?
正确
不正确
一半正确,一半不正确
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碱性有哪些物理性质?
具有酸味
和酸反应会生成盐和水
具有苦涩与平滑的表面
全部碱的pH值介于0-7之间
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么离子和氢氧化钠反应会生成蓝色的沉淀物?
氯离子
钾离子
铜离子
铁(III)离子
6.
MULTIPLE CHOICE QUESTION
30 sec • 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
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
固态氢氧化钠暴露爱空中,易吸收空气中的水分,是表面溶解,此现象为?
溶解
潮解
熔化
升华
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