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酸与碱

Authored by CHONG Moe

Science

1st - 3rd Grade

Used 137+ times

酸与碱
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20 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

石蕊试纸有_______和______两种。

蓝色,红色

蓝色,蓝色

红色,红色

3.

MULTIPLE CHOICE QUESTION

30 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

30 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

30 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

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

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

以下哪种物体会造成以上石蕊试纸的情况?

Media Image
Media Image
Media Image
Media Image

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