三年级科学单元8酸与碱
Quiz
•
Science
•
1st - 10th Grade
•
Medium
TAN Moe
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33 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1.我们可以用_____________来测试物质的化学性质。
白纸
石蕊试纸
颜色纸
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.石蕊试纸有_______和______两种。
蓝色,红色
蓝色,蓝色
红色,红色
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.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
1 min • 1 pt
4.使用石蕊试纸来测试可乐的化学性质时,哪项方法是正确的?
将整张石蕊试纸泡在汽水里
将汽水直接倒在石蕊试纸上
用布沾取汽水,再涂在石蕊试纸上
用玻璃棒沾取汽水,再涂在石蕊试纸上
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5.( )会使蓝色石蕊试纸变红色,红色石蕊试纸没变化。
碱性物质
酸性物质
中性物质
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.( )会使红色石蕊试纸变蓝色,蓝色石蕊试纸没变化。
碱性物质
酸性物质
中性物质
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7.( )会使红色石蕊试纸和蓝色石蕊试纸没变化。
碱性物质
酸性物质
中性物质
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