酸与碱
3rd Grade
•15 Qs
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酸与碱
Quiz
•
Science
•
3rd Grade
•
Practice Problem
•
Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
20 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
20 sec • 1 pt
石蕊试纸有_______和______两种。
蓝色，红色
蓝色，蓝色
红色，红色
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
石蕊试纸可用来分辨物质是______、_______或_______。
中性
酸性
碱性
酸性、中性、碱性
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
一般上带有苦味，模起来有滑溜的感觉。
碱性物质
酸性物质
中性物质
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
一般上带酸性。
碱性物质
酸性物质
中性物质
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
一般上带甜味、咸味，或淡而无味。
碱性物质
酸性物质
中性物质
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下哪种物体会造成以上石蕊试纸的情况？
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