1.计算题- (共2题)
(1)完全反应后产生氧气的质量为_____g;
(2)求样品中氯酸钾的质量分数(纯度)________。
(1)青蒿素的相对分子质量___________;
(2)青蒿素中C、H、O元素的质量比_______;
(3)青蒿素中碳元素的质量分数___________。
2.推断题- (共1题)

(1)请写出下列物质的化学式: A_____;H_________。
(2)请写出化学反应方程式:B→F_______________、G→B_____________。
(3)实验室常用_________检验B气体。
3.单选题- (共20题)

下列对概念间的关系的说法中正确的是( )
A.纯净物与混合物属于包含关系 |
B.化合物与氧化物属于包含关系 |
C.单质与化合物属于交叉关系 |
D.氧化反应与化合反应属于并列关系 |
物质 | 甲 | 乙 | 丙 | 丁 |
反应前质量(g) | 20 | 5 | 12 | 10 |
反应后质量(g) | 待测 | 5 | 6 | 34 |
关于此反应,下列认识不正确的是:
A.物质丁一定不是单质 | B.反应后容器中甲的质量是2g |
C.丙、丁的相对分子质量之比一定为1:4 | D.在该反应中,乙可能是催化剂 |
A. 2Mg + Si

C. SiO2 + H2O = H2SiO3 D. SiH4 + 2O2 = SiO2 + 2H2O
A.NO2 | B.NO | C.N2O | D.N2O4 |
A.16︰9 | B.1︰1 | C.13︰6 | D.44 ︰23 |
A.化合物是由不同种元素组成的,不同种元素组成的纯净物一定是化合物 |
B.不同种分子构成的物质是混合物,混合物一定由不同种分子构成 |
C.单质由同一种元素组成,由同一种元素组成的纯净物一定是单质 |
D.氧化物只含两种元素,所以含两种元素且有一种元素是氧元素的纯净物一定是氧化物 |
A.CO2:“2”表示一个二氧化碳分子含有两个氧原子 |
B.2Na:“2”表示两个钠元素 |
C.![]() |
D.S2-:“2-”表示硫元素的化合价为负二价 |




A.物质X是由碳元素和氧元素组成 |
B.X物质中碳、氧元素的质量比是3:8 |
C.每个X分子由1个碳原子和2个氧原子构成 |
D.物质X的相对分子质量是44g |
选项 | 鉴别的物质 | 操作1 | 操作2 |
A | 软水和硬水 | 滴加肥皂水 | 加热蒸发 |
B | 一氧化碳和甲烷 | 滴加澄清石灰水 | 观察颜色 |
C | 氧气和二氧化碳 | 滴加紫色石蕊试液 | 伸入燃着的木条 |
D | 二氧化碳和氮气 | 滴加澄清石灰水 | 伸入燃着的木条 |
A.A | B.B | C.C | D.D |
A.蜡烛在空气中燃烧时,有水和二氧化碳生成 |
B.木炭在氧气中燃烧时,有黑色固体生成 |
C.红磷点燃后伸入氧气中产生大量白雾 |
D.硫粉在氧气中燃烧产生明亮蓝紫色火焰 |
A.吸附沉淀 | B.过滤 | C.静置沉淀 | D.加肥皂水 |
A.分子 | B.原子 | C.单质 | D.元素 |
4.选择题- (共5题)
阅读理解
IPhone owners are vainer(虚荣)and spend more on clothes and grooming(仪容)than those who have BlackBerrys and Android phones, new research claims.BlackBerry owners earn the most and are more likely to have long-term relationships, while people with Android handsets are most creative and the best cooks.
The study, carried out by TalkTalk Mobile, surveyed 2,000 owners of the three major smartphone brands to determine whether the choice of handset was an extension(延伸) of their personality. The study rated users in various walks of life using a point scoring system including personalities, daily habits and the type of industries they work in.
Other results from the study found that people with an iPhone are more image conscious and generally consider themselves more attractive than those with other handsets. They are most likely to describe themselves as adventurous, bright and are most likely to work in media, publishing and education. They also believe their boss rates them highly. Apple owners also tend to have done more travelling and are the most active on social media sites.
BlackBerry owners were found to be the least punctual(准时的), but despite putting in the least hours at work they are the most active phone user—sending more texts and making more calls in the average day than any other phone user. They are more social and have more friends overall. They also earn nearly two and a half thousand pounds a year more than other smartphone owners, with an average salary of $27,406. BlackBerry users classed themselves so loud and mainly work in the health, finance or property sectors. They were also found to drink more tea and coffee each day than any other phone user.
Android owners were found to watch more TV than others and drink the most alcohol—consuming more in an average week than iPhone and BlackBerry drinkers. They have the most jobs in engineering, the government and public services and environmental services. They have the best manners and are more shy and relaxed than their counterparts.
Dan Meader, Director of Mobile at TalkTalk, said,“Many of us have our mobile phones on us almost constantly so they do become an extension of us in many ways. It's interesting to see then how the choice in handset may reflect different aspects of personality and the results do show some unusual difference
阅读理解
IPhone owners are vainer(虚荣)and spend more on clothes and grooming(仪容)than those who have BlackBerrys and Android phones, new research claims.BlackBerry owners earn the most and are more likely to have long-term relationships, while people with Android handsets are most creative and the best cooks.
The study, carried out by TalkTalk Mobile, surveyed 2,000 owners of the three major smartphone brands to determine whether the choice of handset was an extension(延伸) of their personality. The study rated users in various walks of life using a point scoring system including personalities, daily habits and the type of industries they work in.
Other results from the study found that people with an iPhone are more image conscious and generally consider themselves more attractive than those with other handsets. They are most likely to describe themselves as adventurous, bright and are most likely to work in media, publishing and education. They also believe their boss rates them highly. Apple owners also tend to have done more travelling and are the most active on social media sites.
BlackBerry owners were found to be the least punctual(准时的), but despite putting in the least hours at work they are the most active phone user—sending more texts and making more calls in the average day than any other phone user. They are more social and have more friends overall. They also earn nearly two and a half thousand pounds a year more than other smartphone owners, with an average salary of $27,406. BlackBerry users classed themselves so loud and mainly work in the health, finance or property sectors. They were also found to drink more tea and coffee each day than any other phone user.
Android owners were found to watch more TV than others and drink the most alcohol—consuming more in an average week than iPhone and BlackBerry drinkers. They have the most jobs in engineering, the government and public services and environmental services. They have the best manners and are more shy and relaxed than their counterparts.
Dan Meader, Director of Mobile at TalkTalk, said,“Many of us have our mobile phones on us almost constantly so they do become an extension of us in many ways. It's interesting to see then how the choice in handset may reflect different aspects of personality and the results do show some unusual difference
阅读理解
IPhone owners are vainer(虚荣)and spend more on clothes and grooming(仪容)than those who have BlackBerrys and Android phones, new research claims.BlackBerry owners earn the most and are more likely to have long-term relationships, while people with Android handsets are most creative and the best cooks.
The study, carried out by TalkTalk Mobile, surveyed 2,000 owners of the three major smartphone brands to determine whether the choice of handset was an extension(延伸) of their personality. The study rated users in various walks of life using a point scoring system including personalities, daily habits and the type of industries they work in.
Other results from the study found that people with an iPhone are more image conscious and generally consider themselves more attractive than those with other handsets. They are most likely to describe themselves as adventurous, bright and are most likely to work in media, publishing and education. They also believe their boss rates them highly. Apple owners also tend to have done more travelling and are the most active on social media sites.
BlackBerry owners were found to be the least punctual(准时的), but despite putting in the least hours at work they are the most active phone user—sending more texts and making more calls in the average day than any other phone user. They are more social and have more friends overall. They also earn nearly two and a half thousand pounds a year more than other smartphone owners, with an average salary of $27,406. BlackBerry users classed themselves so loud and mainly work in the health, finance or property sectors. They were also found to drink more tea and coffee each day than any other phone user.
Android owners were found to watch more TV than others and drink the most alcohol—consuming more in an average week than iPhone and BlackBerry drinkers. They have the most jobs in engineering, the government and public services and environmental services. They have the best manners and are more shy and relaxed than their counterparts.
Dan Meader, Director of Mobile at TalkTalk, said,“Many of us have our mobile phones on us almost constantly so they do become an extension of us in many ways. It's interesting to see then how the choice in handset may reflect different aspects of personality and the results do show some unusual difference
5.填空题- (共6题)
(1)用赤铁矿(主要成分为氧化铁)和一氧化碳反应炼铁,同时生成二氧化碳;____
(2)天然气(主要成分为CH4)在空气中燃烧生成水和二氧化碳。____________
材料一:l869年,俄国化学家门捷列夫对已发现的元素进行研究,制作了元素周期表,并在他的元素周期表中留下了许多空位代表尚未发现的新元素,其中就预言了“类铝”这种新元素。
材料二:l875年,法国化学家布瓦博德朗公布了他发现的新元素镓(元素符号为Ga)的性质:镓是银白色金属,密度4.7g·cm-3,能与沸水剧烈反应生成氢气和氢氧化镓。不久,他收到门捷列夫的来信称:镓就是我预言的“类铝”,其密度应在5.9-6.0 g·cm-3之间。
材料三:l876年,布瓦博德朗将金属镓提纯后测得镓的密度为5.94g·cm-3,从而验证了元素周期表的正确性。随后科学家根据元素周期表的空位,按图索骥,发现了许多新元素。目前金属镓广泛用于制造半导体材料。镓的原子结构示意图如图,常见化合价为+3。

(1)镓元素的质子数为_____,其原子最外层电子数为_______;
(2)请根据上述材料,写出氢氧化镓的化学式______
①氦气_____ ②水_____ ③两个亚铁离子_____ ④硫酸铜_____⑤两个硝酸根离子____;⑥2个氮分子_____;⑦保持一氧化碳化学性质的最小微粒______;⑧氧化镁中镁显+2价______。
1 H +1 | | 2 He 0 | |||||
3 Li +1 | 4 Be +2 | 5 B +3 | 6 C +4 -4 | 7 N +5 -3 | 8 O -2 | 9 F -1 | 10 Ne 0 |
11 Na +1 | 12 Mg +2 | 13 Al +3 | 14 Si +4 -4 | 15 P +5 -3 | 16 S | 17 Cl +7 -1 | 18 Ar 0 |
(1)11号元素属于______元素(填“金属”或“非金属”),它在化学反应中形成的离子与______(写元素符号)原子具有相同的核外电子排布。
(2)16号元素的原子核外电子数为_______。
6.实验题- (共1题)

(1)仪器①④的名称分别是________和___________。
(2)实验室用过氧化氢溶液和二氧化锰制取氧气,所选用的气体发生装置是(填字母序号)_____,反应的化学方程式为_________;如果要制得较干燥的氧气最好应该选择装置_____收集,其验满的方法:__________。
(3)实验室还常用块状固体硫化亚铁(FeS)和稀硫酸在常温下制取硫化氢气体,硫化氢气体是一种有臭鸡蛋气味的有毒的气体,能溶于水,密度比空气大。根据上述信息回答:实验室制取硫化氢的发生装置为_____,收集装置为_______;(填字母序号)实验室选用上图所示的E装置收集硫化氢气体,气体应该从____(填“a”或“b”)端进入。
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【1】题量占比
计算题:(2道)
推断题:(1道)
单选题:(20道)
选择题:(5道)
填空题:(6道)
实验题:(1道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:4
7星难题:0
8星难题:16
9星难题:10