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三年级科学 - 酸与碱复习1

Authored by E Sk

Science

3rd Grade

Used 1+ times

三年级科学 - 酸与碱复习1
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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以下哪种物质的化学性质与上述物质相同?

白粥

酸奶

盐水

洗发水

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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碱性物质的味道一般是怎样?

带有酸味

带有苦味

带有咸味

带有甜味

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

酸性物质的味道一般是怎样的?

带有酸味

带有苦味

带有咸味

带有甜味

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪种物质的水溶液能使

红色石蕊试纸变成蓝色?

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5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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P物质和 Q物质的化学性质是怎样的?

P物质和 Q物质都是酸性

P物质和 Q物质都是碱性

P物质是酸性, Q物质是酸性

P物质是碱性, Q物质是酸性或中性

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

伟祥用红色石蕊试纸和蓝色石蕊试纸来测试柠檬汁,会有什么观察结果?

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7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪些物质不会改变石蕊试纸的颜色?

矿泉水、油、盐水

牛奶、汽水、醋

苏打粉、牙膏、洗发水

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