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三年级科学酸与碱 (Part1)

Authored by TAN Moe

Science

3rd Grade

Used 46+ times

三年级科学酸与碱 (Part1)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1.石蕊试纸有_______和______两种。

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

  1. 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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