
无机化学测验2
Authored by Wan Hawl
Chemistry
10th Grade
Used 17+ times

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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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