
三年级 酸与碱
Authored by Guru Moe
Science
3rd Grade
Used 122+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是石蕊试纸的功用?
观察物质的形态
测量物质的质量
测试物质的化学性质
确认物质的导电能力
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪种物质的水溶液能使
红色石蕊试纸变成蓝色?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
酸性物质的味道一般是怎样的?
带有酸味
带有苦味
带有咸味
带有甜味
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碱性物质的味道一般是怎样?
带有酸味
带有苦味
带有咸味
带有甜味
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碱性物质摸起来有什么感觉?
粗糙
平滑
滑溜
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以上物质的化学性质是什么?
酸性
碱性
中性
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以上物质的化学性质是什么?
酸性
碱性
中性
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