1.石蕊试纸有_______和______两种。

三年级科学酸与碱

Quiz
•
Science
•
3rd Grade
•
Medium
SRS TEACHER
Used 193+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
蓝色,红色
蓝色,蓝色
红色,红色
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.一般上带有苦味,模起来有滑溜的感觉。
碱性物质
酸性物质
中性物质
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.一般上带酸性。
碱性物质
酸性物质
中性物质
5.
MULTIPLE CHOICE QUESTION
30 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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.我们可以用_____________来测试物质的化学性质。
白纸
石蕊试纸
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.食油和奶油是
中性
酸性
碱性
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