
高一 15
Authored by Julius Lau
Chemistry
9th - 12th Grade
15 Questions
Used 18+ times

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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. 下列哪种反应可以生成氯气?
I. HCl + Br2
II. HCl + MnO2
III. HCl + KMnO4
I、II
II、III
I、III
I、II、III
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. 下列有关卤族元素的氧化性由强到弱的排列顺序中,哪项是正确的?
I > Br > F > Cl
I > Br > Cl > F
Br > Cl > I > F
F > Cl > Br > I
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列有关卤族元素的还原性由强到弱的排列顺序,哪项是正确的?
I- > Br- > F- > Cl-
I- > Br- > Cl- > F-
Br- > Cl- > I- > F-
F- > Cl- > Br- > I-
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. 下列哪种方法可用来制取氯气?
I. 电解盐水
II. NaCl与浓硫酸反应
III. MnO2与浓盐酸反应
IV. KMnO4与浓盐酸反应
I、III
II、III
I、III、IV
I、II、III、IV
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. 砹(At)是原子序数最大的卤族元素。下列哪项性质是砹的化合物最不可能具有的?
HAt非常稳定
砹是有色固体
AgAt不溶于水
砹极易溶于某些有机溶剂
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. 下列哪些有关氯水的叙述是正确的?
I. 氯水放置数天后,pH值将变小
II. 新制的氯水可使蓝色石蕊试纸先变红,后褪色
III. 新制氯水与硝酸银溶液反应,产生白色沉淀
IV. 在光的照射下氯水有气泡逸出,该气体是氧气
I、II、III
I、III、IV
II、III、IV
I、II、III、IV
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. 下列哪种物质可用以区别Cl-、Br-与I-离子?
硝酸银
硝酸鈉
硫酸鉀
氢氧化钠
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