五年级科学第十课酸与碱_复习
Authored by Cindy Wong
Science
5th Grade
Used 1K+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪两项能用来确定物质的化学性质？
P和Q
P和S
Q和R
R和S
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
上图显示一项有关物质的化学性质的实验结果。
根据上图，溶液X和溶液Y的化学性质最有可能是什么？
溶液X = 中性 ； 溶液Y = 碱性
溶液X = 碱性 ； 溶液Y = 酸性
溶液X = 酸性 ； 溶液Y = 中性
溶液X = 酸性 ； 溶液Y = 碱性
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一种物质。
以上哪项有关上图中的物质的说明是正确的？
尝起来有酸味
会使蓝色石蕊试纸变红
会使红色石蕊试纸变蓝
不会改变石蕊试纸的颜色
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以上是有关物质P的资料。
根据以上资料，P最有可能是什么物质？
酱油
洗碗剂
蒸馏水
柠檬汁
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以上哪两项有关中性物质的说明是正确的？
P和Q
P和S
Q和R
R和S
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
上图显示两种物质。
用红色石蕊试纸测试这两种物质的溶液，你会观察到什么结果？
X：变成蓝色 ； Y：没有变化
X：没有变化 ； Y：变成蓝色
X：变成蓝色 ； Y：变成蓝色
X：没有变化 ； Y：没有变化
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
上图显示艺文在准备有关物质的化学性质的实验所需的材料。
艺文应该在咖啡粉里加入哪种物质，以制成溶液？
糖水
盐水
河水
蒸馏水
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