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三年级科学练习第八课酸与碱

Authored by KOO Moe

Science

3rd Grade

Used 549+ times

三年级科学练习第八课酸与碱
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10 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

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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

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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

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪些物质会使蓝色石蕊试纸变成红色?

i 牙膏

ii 橙汁

iii 酸柑汁

iv 蒸馏水

i 和 ii

i 和 iv

ii 和 iii

iii 和 iv

6.

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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7.

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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