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无机化学测验2

Authored by Wan Hawl

Chemistry

10th Grade

Used 17+ times

无机化学测验2
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

过渡性元素是唯一的元素能__________。

I 拥有可变的化合价

II 形成碱性氧化物

III 在水溶液中形成有颜色的离子

IV 形成络合物

I, II, III, IV

I, III, IV

I, IV

III

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在含有NaBr和KI的水溶液中通入过量氯气,然后将溶液蒸干,再加热残余物,最后得到的固体是______。

NaCl和KCl

KBr和NaBr

NaCl、KCl和I2

KCl、Br2和I2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列气体属于中性的是______。

I SO3

II NO

III H2S

IV CO

IV

I, III

II, IV

II, III, IV

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

离子型氢化物与水反应时,其产物是:

碱性溶液和氢气

碱性溶液和氧气

酸性溶液和氢气

酸性溶液和氧气

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

为什么石墨可作为润滑剂,金刚石却不能?

因为石墨拥有可以移动的

因为石墨拥有可移动的电子

因为石墨拥有六边形片状晶体结构

因为石墨层与层之间存在较弱的范德华力

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