第十四章 ：VIA族元素：氧和硫
10th Grade
•20 Qs
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第十四章 ：VIA族元素：氧和硫
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
在近地面空气中，某气体浓度稍大时是一种污染物，而在高空却对人类有保护作用。该气体为何物？
O3
NO
CO
CFC
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列有关元素周期表中IA族及IIA族元素的叙述，哪一项是正确的？
BeSO4可溶于水
Na2CO3不溶于水
MgCl2溶液是中性的
K2O与H2O反应释放出H2
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列哪项／哪些说法不正确？
Ⅰ 可以用无色试剂瓶贮放浓硝酸。
Ⅱ 可以用经氯气消毒后的自来水配制硝酸银溶液。
Ⅲ 可以用过氧化氢水溶液使变黑的油画整旧如新。
Ⅳ 存放镁条的仓库失火时，可以用二氧化碳灭火器扑灭。
Ⅰ
Ⅱ，Ⅲ
Ⅰ，Ⅱ，Ⅳ
Ⅰ，Ⅲ，Ⅳ
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
关于钠化合物的应用，下列哪项说法不合理？
碳酸氢钠可治疗胃酸过多。
发酵粉中含有碳酸氢钠，可使糕点膨松
氢氧化钠可以存放在玻璃塞的试剂瓶中。
过氧化钠可作为密闭环境中的氧气发生剂。
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列有关硫化氢的反应，哪些不是氧化还原反应？
Ⅰ 与溴水反应 Ⅱ 与二氧化硫反应
Ⅲ 与硝酸铜溶液反应 Ⅳ 与氢氧化钠溶液反应
Ⅰ，Ⅱ
Ⅰ，Ⅳ
Ⅱ，Ⅲ
Ⅲ，Ⅳ
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
将H2S气体通入不同浓度的硝酸溶液中，发生下列的反应：
依据以上化学方程式，硝酸溶液的氧化性的正确排列是________。
①<④<③<②
②<③<①<④
③<④<①<②
④<③<①<②
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
CI2(g)+H2S(g)→2HCI(g)+S(s)
SO2(g)+2H2S(g)→2H2O(I)+3S(s)
CI2(g)+2H2O(I)+SO2(g)→2HCI(aq)+H2SO4(aq)
依据以上化学方程式，CI2、H2S和SO2三种气体的还原性顺序排列是：
SO2<H2S<CI2
H2S<SO2<CI2
CI2<SO2<H2S
CI2<H2S<SO2
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