三年级科学 酸与碱
Quiz
•
Science
•
1st - 12th Grade
•
Practice Problem
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Medium
WANG Moe
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
石蕊试纸的功用是什么?
改变物质的颜色
测试食物的味道
用来辨别物质是酸性、中性和碱性
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是中性的物质?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上面显示一项有关W物质的实验结果。
W物质的性质是什么?
酸性
中性
碱性
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Y物质带有苦味,触摸起来给人滑溜的感觉。Y物质是什么?
奶油
洗碗剂
酸柑汁
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示两种物质。
哪项是物质P和物质Q的共同点?
没有味道
使蓝色石蕊试纸变成红色
使红色石蕊试纸变成蓝色
不会改变石蕊试纸的颜色
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我们可以用_____________来测试物质的化学性质。
白纸
石蕊试纸
颜色纸
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
石蕊试纸有_______和______两种。
蓝色,红色
蓝色,蓝色
红色,红色
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