1.选择题- (共7题)
1.世界环保联盟建议全面禁止使用氯气用于饮用水的消毒,而建议采用高效“绿色”消毒剂二氧化氯.二氧化氯是一种极易爆炸的强氧化性气体,易溶于水、不稳定、呈黄绿色,在生产和使用时必须尽量用稀有气体进行稀释,同时需要避免光照、震动或加热.实验室以电解法制备ClO2的流程如图:
2.某同学设计的制取氯气和验证氯气部分化学性质的实验装置如图所示:
其中D处放有干燥的紫色石蕊试纸,E处放有湿润的紫色石蕊试纸,F、G处依次放有喷上少量淀粉KI溶液、浓NaOH溶液的棉球.回答下列问题:
3.如图所示是一个制取氯气并以氯气为原料进行特定反应的装置,多余的氯气可以贮存在b瓶中,其中各试剂瓶中所装试剂为:B(氯化亚铁溶液)、C(碘化钾淀粉溶液)、D(紫色石蕊试液)、F(含酚酞的氢氧化钠溶液).
4.某实验小组利用氯气与金属铁反应制备无水三氯化铁,经查阅资料得知:无水FeCl3在空气中易潮解,加热到100℃左右时易升华.如图是两个学生设计的实验装置,左边的反应装置相同,而右边的产品收集装置不同,分别如(Ⅰ)和(Ⅱ)所示.试回答:
5.某实验小组利用氯气与金属铁反应制备无水三氯化铁,经查阅资料得知:无水FeCl3在空气中易潮解,加热到100℃左右时易升华.如图是两个学生设计的实验装置,左边的反应装置相同,而右边的产品收集装置不同,分别如(Ⅰ)和(Ⅱ)所示.试回答:
2.单项选择- (共9题)
8.
In ______ way, you are right;as ______ result, I will support you.
A.a; the | B.a; a | C.the; a | D.the; the |
9.
---Irene, do you really want to go out?
---It may rain. ________, I will go out; I don’t mind the rain.
---It may rain. ________, I will go out; I don’t mind the rain.
A.Anyhow | B.Otherwise | C.Therefore | D.Somehow |
10.
The employees were tired of working ______ hours and some of them even gave up their work.
A.special | B.extra | C.especial | D.spare |
11.
No chicken or duck ______ in the supermarket since the first case of H7N9 was reported dead.
A.has been sold | B.was sold | C.is sold | D.are sold |
12.
--- Linda, why not drive Zhongshan Road?
--- It’s blocked because a subway ______ there.
--- It’s blocked because a subway ______ there.
A.is being built | B.has built | C.was building | D.will be built |
13.
There is a big garden in the neighborhood, _______ actually has become a good place for people to meet and communicate.
A.where | B.in which | C.that | D.which |
14.
Mr. Brown ______ she often tells us is from a small village in England.
A.in which | B.about which | C.on whom | D.about whom |
15.
--- Walking an hour every day is good for our health.
--- Exactly. However, ________.
--- Exactly. However, ________.
A.I love doing it very much. | B.I don’t hate it. |
C.Climbing a mountain is also good. | D.I don’t like to do it every day. |
试卷分析
-
【1】题量占比
选择题:(7道)
单项选择:(9道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:1
5星难题:0
6星难题:8
7星难题:0
8星难题:0
9星难题:0