单元八 酸与碱
Authored by KELLY IPG-Pelajar
Science
3rd Grade
Used 2+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
紫甘蓝菜液体遇到碱性物质中会变成什么颜色？
What color does red cabbage extract turn when it encounters alkaline substances?
红色
Red
白色
White
绿色
Green
紫色
Purple
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪种物质是酸性？
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在紫甘蓝菜液体测试中，液体颜色变为紫色，它是什么性质？
In the red cabbage extract test, the liquid turns purple, what is the property?
酸性
中性
碱性
纯净
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
酸性物质在紫甘蓝菜液体中会使液体变成蓝色。
Acidic substances will turn the red cabbage extract becomes blue.
对
错
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
加入紫甘蓝菜液体后变成粉色或红色，表示物质是酸性。
The liquid turns pink or red after adding red cabbage extract, it indicates that the substance is acidic.
对
错
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪种物质是中性？
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